Fowler 52-257-004-0 XTRA-VALUE Bore Mics 3-Point Bore Gage Micrometers

Fowler 52-257-003-0 XTRA-VALUE Bore Mics 3-Point Bore Gage Micrometers 3 point self-centering measuring heads Carbide tipped anvils Ratchet stop, satin chrome thimble 0.0001" graduations up to 0.50" 0.0002" graduations above 0.50" Sizes below 0.50" includes 4" extension Sizes above 0.50" includes 6" extension Each set includes setting ring and fitted aluminum case Sizes below 0.50" read 0.060" from bottom of head Sizes above 0.50" read 0.020" from bottom of head Range : NEW 0.425" - 0.500 Accuracy : 0.00016"