Helix Architects/Builders Symbols Plastic Template

Incoporates basic symbols used by architects, builders and contractors Features title layout scale and elevation WC view Scale: 1/4" - 1 foot Made from dimenaionally stable .03" green transparent shatter resistant plastic Built-in ink risers eliminate smudging and make template easy to pick up and reposition Cut-out indentifications and ruler scales are printed in eay-to-read black ink Designed for use with a 0.5mm lead - all openings have pencil allowance Dimensions: 9-1/4" x 5-1/4"