perfektchoice Fan Shape Scale Ruler with 6 for Engineering Architects Multi Scales

Description

Description: - Fan Scale Ruler - Material: Plastic; Color: White, Black; Total Size (folded) : 19.5 x 2.9cm / 7.7 x 1.1"(LXW) - Clearly marked, easy-to-read - Great for Architect, engineer, and mechanical draftsmen graduations, etc - Perfect for scholastic and vocational use - Scale Type - 1:10 [1: 100], 1:15 (1: 150) - 1:20 [1: 200], 1:25 (1: 250) - 1:30 [1: 300], 1:33 1/3 - 1:40 [1: 400], 1:50 (1: 500) - 1:75 [1: 750], 1: 125 (1: 1250)Package Includes:1 Piece Fan Scale Ruler