Clearprint

Vellum pad contains 50 sheets of 16 lb. vellum paper made with 100 percent cotton fiber. Unprinted paper is treated with high-impact oil resins to produce a permanently transparent drawing surface...

Isometric grid features nonreproducible blue 30-degree ISO grid with border to aid in scaling drawings in three main directions. Ideal for plumbing, heating and air conditioning, and mechanical...