FLUORESCENT EDGES - The Alvin Fluorescent Triangle 40°/60° is designed for accuracy with its refracted light that illuminates the edges.
MADE OF POLYSTYRENE - Made of molded polystyrene with 0.10" thick with double-beveled inking edges and double-beveled center cutout finger lifts.
IDEAL DRAFTING TOOL - An ideal ruling and measuring tool for most drawing and drafting applications, it features machine-finished and hand-polished edges that not only meets but exceeds government specifications.
CONVENIENT - The center cut-out finger lift, that is double-beveled as well, allows quick and easy lifting and placement. With a poly bag that includes a hanging hole, it provides portability, accessibility, and convenient storage when not in use. Comes in five different sizes.
A PROFESSIONAL'S CHOICE - Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century.
Die-engraved Graduations for high visibility. The aluminum thumbscrew securely holds the selected angle and allows quick Pickup and manipulation. Made of high impact acrylic that is thick and optically clear to eliminate parallax and allow close pencil tolerance. This product is manufactured in United States.