Alvin has been the professional's choice for drafting tools for over half a century, and the Parallel Glider shows why: a rolling parallel rule that draws true parallels and straight lines anywhere on the sheet, no drafting table required.

Specifications:

• Functions: parallel straightedge, triangle, protractor, T-square, and compass in one
• Blades: acrylic with printed graduations and 1/2-in circle holes
• Roller: aluminum bar with non-skid rubber O-rings
• Made in: Poland for Alvin