Multi-purpose uses include 45° miter, depth gage, height gage, marking or scribing gage, a level, a plumb, and a precision ruleReversible lock bolt allows blade to be turned over or end-for-end, without removing the lock bolt or nutCenter head accurately finds center of round workHardened, machine divided graduations, bladeSteel scriberSpirit level.Includes:(1) Case(1) Reversible Lock Bolt(1) Scriber(1) Spirit Level(3) Heads