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