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Helix HLX27087 – Matching triangle pair includes an 8″, 45-degree triangle and a 10″, 30/60 degree triangle. Ideal for college students and professionals. Triangles are made of crystal-clear, dimensionally stable acrylic..

Helix HLX512000 – Universal Gomstick is a standard eraser in an innovative case with an ingenious, self-locking slider. Cardboard display features an open top for easy access to the erasers with vibrantly colored cases. Eco-friendly eraser is phthalate-free..

Helix HLX37106 – Vellum pad contains 50 sheets with 100 percent cotton rag for archival quality so you can store it for a long period without fading. Each sheet offers a 16 lb. paper weight for strength and erasability so you can rub out mistakes without tearing or leaving marks or smudges. Translucency allows copying. Vellum is also acid-free and resists yellowing and cracking..

Helix HLX37810 – Sketch paper comes on a convenient roll for easy size customization. The lightweight tracing paper offers high transparency for tracing and overlay work..

Helix HLX13370 – Triangular scale is designed for professional architects with three color-coded, rubber, center strips for easy identification of scales. Scale is divided in three with 1-1/2″, 1″, 3/4″, 3/8″, 3/16″, 3/32″, 1/2″, 1/4″, and 1/8″ markings per foot. 12″ triangular scale is made of aircraft-grade aluminum..

Helix HLX13372 – Triangular scale is designed for professional architects with three color-coded, rubber, center strips for easy identification of scales. Scale is divided in three with 1-1/2″, 1″, 3/4″, 3/8″, 3/16″, 3/32″, 1/2″, 1/4″, and 1/8″ markings per foot. 18″ triangular scale is made of aircraft-grade aluminum..

Helix HLX13371 – Triangular scale is designed for professional engineers with three color-coded, rubber, center strips for easy identification of scales. 12″ scale is fully divided in three with 10, 20, 30, 40, 50 and 60 parts markings to the inch. Triangular scale is made of aircraft-grade aluminum..

Helix HLX37360 – Hi-polymer, professional erasers slide easily onto the end of pencils with no erasers or worn-out erasers. Premium-quality, oversized pencil cap erasers are ideal for professionals and students. High-quality polymer material leaves behind minimal eraser dust. Erasers are latex-free and phthalate-free..

Helix HLX13218 – Premium-quality ruler features etched graduations that allow dead length measuring in both inches and metric. The Imperial markings are in 1/16″ increments, and the metric is in millimeters. Professional ruler is made of heavy-gauge stainless steel and features cork backing to prevent slipping..

Helix HLX13212 – Premium-quality ruler features etched graduations that allow dead length measuring in both inches and metric. The Imperial markings are in 1/16″ increments, and the metric is in millimeters. Professional ruler is made of heavy-gauge stainless steel and features cork backing to prevent slipping..

Helix HLX17861 – Small geometry set includes vital tools for technical drawing. Set includes a 6″ ruler, 5″ triangle (30-degree/60-degree/90-degree), 3-7/8″ triangle (45-degree/90-degree), and 4″ protractor. The ruler features 1/16″ graduations highlighted in a bright color on one side for easy identification and millimeters on the other edge. The triangles have inches with 1/16″ graduations and centimeters with millimeters along the other edge. Tools are made of plastic. Compact set fits in most pencil cases..

Helix HLX37179 – Drawing board features a parallel straight edge that is easy to grip and adjustable. Move the straight edge easily over the board. Straight edge stays in place where you put it. Stopper grips allow adjustment of the board off the table without slipping. Rubberized feet prevent slippage and fold in for easy storage. Use the carry handle to transport. The PVC-covered board is 5/8″ thick..

Helix HLX25001 – White Pebble erasers offer an ergonomic shape perfect for accurate erasing. High-quality polymer material leaves behind minimal eraser dust. Each premium eraser is latex-free and PVC-free..

Helix HLX37999 – Vellum pad contains 50 sheets with 100 Rag and a 10 x 10 square per inch grid layout. Write on with pencil or ink. 20 lb. vellum is acid-free and resists tearing, yellowing and cracking..

Helix HLX501700 – Pencil sharpener offers a playful, colorful design with an expandable canister. Top offers two holes – one for standard-size pencils and the other for oversized pencils. When the see-through canister that collects the pencil shavings is full, expand it so you can keep sharpening. After you empty the canister, collapse it for convenient storage or set it on your desk for display. Cardboard display features an open top for easy access to the colorful pencil sharpeners..

Helix HLX37420 – Conversion Ruler offers a convenient way to measure either Imperial or metric and then get instant conversion to either. In addition to Imperial and metric measurements on the edge, the unique design incorporates a conversion scale in the center so you can convert measurements from metric to inch and inch to metric. The background is black so the white imprints of 1/16″ and millimeter graduations are easy to read. Ruler is printed on both sides and made of flexible plastic..

Helix HLX37232 – Disposable, technical drawing pens make neat, fine lines for precise creations. Water-based, pigment ink is water-resistant and fadeproof. Ridges on the barrel provide a sure grip. Drawing pens also include a cap to keep the ink fresh and a clip on the cap to attach to pockets, notebooks and more. Set includes 0.1mm pens in four ink colors: black, red, green and blue..

Helix HLX37235 – Disposable, technical drawing pens make a range of lines from fine to broad with the four different sizes. Water-based, black pigment ink is water-resistant and fadeproof. Ridges on the barrel provide a sure grip. Drawing pens also include a cap to keep the ink fresh and a clip on the cap to attach to pockets, notebooks and more. Set includes four sizes: 0.1mm, 0.3mm, 0.5mm and 0.8mm..

Helix HLX61400 – Use drafting tape to hold down paper for drawing and drafting. The tape will not stick permanently to paper. Simply tear off the amount of tape you need and apply..

Helix HLX17910 – Compact, technical drawing set includes a folding ruler and protector so you can make precise figures and calculations. The 6″ protractor folds out to make a 360-degree protractor. The degrees are numbered every 10 degrees and marked with graduations every five degrees. A magnifier along the base centerline helps you pinpoint where to start your measurement. The 12″ folding ruler features a snap hinge for compact storage. Ruler is numbered every inch and centimeter. Graduations are marked every 1/16″ along one side and every millimeter along the other. Both the protractor and ruler are made of hard-impact plastic..

Helix HLX12081 – Folding protractor folds out to a full 360 degrees and features bold, easy-to-read markings for greater accuracy. The design of the protractor lets you easily fold it in half to slide into your pencil case. The 6″ (15cm) protractor is made of clear, recyclable plastic with unique, durable hinges..

Helix HLX13013 – Folding ruler folds in half to fit into any tool box or pencil pouch. Engineered hinge allows straight, non-kink lines. Easy-to-read markings on the ruler are printed using an eco-friendly printing process instead of acid etching. Imperial markings are in 1/16″ increments, and metric markings are in millimeters. 12″ (30cm) ruler is made of stainless steel and features a cork backing for nonslip grip..

Helix HLX21561 – French Curves are ideal for drawing ellipses and irregular curves. The three-piece set includes isometric ellipse templates ranging from 10mm to 50mm. Raised edges on the tinted clear material prevent smears. Curve templates are made of plastic..

Helix HLX17587 – Drawing Board Clips secure papers in place on a board while you draw. Metal clips easily attach to the frame..

Helix HLX23602 – Aluminum T-Square features an aluminum head for better accuracy and durability. 36″ (90 cm) ruler on either side offers Imperial (1/16″ beyond an inch) and metric (mm) graduations for easy measuring. Use T-Square for drawing or cutting. Hang hole at the opposite end from the head makes the T-Square easy to store and access..

Helix HLX22402 – Aluminum T-Square features an aluminum head for better accuracy and durability. 24″ (60 cm) ruler on either side offers Imperial (1/16″ beyond an inch) and metric (mm) graduations for easy measuring. Use T-Square for drawing or cutting. Hang hole at the opposite end from the head makes the T-Square easy to store and access..

Helix HLX36002 – Two-in-one protractor and compass lets you easily make angles and eight sizes of circles with built-in templates. You can also use this handy device to measure angles. Angle and Circle Maker is made of plastic. The layflat design easily fits in your binders and drawers..