Reversible lock bolt allows blade to be turned over or end-for-end, without removing the lock bolt or nut
Multi-purpose uses include; 45° miter, depth gage, height gage, marking or scribing gage, a level, a plumb, and a precision rule
Spirit level in square and protractor heads
Forged and hardened steel square heads and center heads, cast iron protractor head with smooth black finish
Center head accurately finds center of round work
Protractor head has direct reading, double 180° scale
Hardened, machine divided graduations, blade
Meets or exceeds accuracy and performance requirements of national and international standards and are traceable to the National Institute of Standards and Technology.