Helix Professional Engineers Aluminum Triangular Scale 13371

Minimum order quantity of 2 required.

This triangular scale is designed for professional engineers with three color-coded, rubber, center strips for easy identification of scales. Aircraft-grade aluminum construction. Architect scale graduated in 3, 1 1/2, 1, 3/4, 3/8, 3/16, 3/32, 1/2, 1/4, 1/8 inch per foot. Enginner scale graduated in 1/10, 1/20, 1/30, 1/40, 1/50, and 1/60 inch.

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