Double-indexed protractor is graduated 180° in both directions.
Micro-fine blade graduation.
Easy to read satin chrome finished blades.
Square head and center heads are hardened.
4R: 8ths, 16ths, 32nds, 64ths
16R: 32nds, 64ths, 50ths, 100ths
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.
