Acrylic edge, attached to a wood-grained metal blade. The new metal blade prevents warping and splitting like a wooden one. The see-thru edge is slightly elevated to prevent ink smudges. stainless In addition it has a fixed black plastic steel finish head. Thoroughly seasoned hardwood T-Square with fixed head secured with epoxy and metal fasteners. Accurate, durable, smooth finish construction. The tempered aluminum shaft makes this an extremely hard and durable T-Square. It features a silver non-glare surface that resists scratching and photo-anodized calibrations rulers that won''t chip. Head is made of ABS plastic. A lifetime bonded head-to-blade T-Square made of high quality acrylic with black metal strips stainless bonded to each side for additional support. The see-thru plastic edge is raised making it perfect for ink work. Elevated slightly above the surface of the drafting, Spiroliner does not contact the surface of the drawing so smudging occurs. The ruling edge is nick-proof and has a dual brake feature to prevent the parallel rule from sliding steel and rulers and stainless down the inclined board surface. Helps eliminate friction! Features elevated plexiglass edges for precision work, and spring loaded rollers steel that retract to secure the rule in place. Made entirely of acrylic, it has a plastic tunnel housing containing the cable. Academically priced!

Straight line accuracies of .005" in six feet are possible because of Vemco''s unique system for straightening extrusions. Smooth and effortless tracking is accomplished because of specially designed track extrusions. Carriage wheels provide equal pressure at points of contact between wheels and the track regardless of board angle. Horizontal and vertical breaks control protractor movement at all times. Take the stretch out of drafting with the Spiroll™ PA Drawing Protector. Slide your drawing down into the Spiroll™ and the bottom section is protected while the top portion is closer to the draftsman. When mounted at the bottom of any drawing table, the convolute section of the Spiroll™ rulers PA carefully receives the bottom edge of the drawing to protect it from creasing and curling. Made of extruded aluminum, the Spiroll™ PA attaches easily to any table stainless for the drafting and comes in a variety of lengths. steel Spiroll™ may be used with any conventional instruments including parallel straightedges, rulers T-squares and drafting. Includes a one-year manufacturer''s warranty. Stable stainless steel base with a four-post design steel and stabilizing bars. Includes 12 1/2"x29 3/4" tool drawer with lock and 38 1/8"x28 3/4" reference drawer. Sturdy 1" boards have non-glare green laminate finishes with smooth edges. Angle of board is easily rulers adjustable up to 50 degrees without tools. Base and tops sold separately. Some assembly required.

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