GENERAL CHARACTERISTICS ITEM DESCRIPTION | ITEM ALLOWS UNIVERSAL INDICATOR ADJUSTMENT-UP AND DOWN,TO ANY VERTICLE ANGLE,IN A COMPLETE CIRCLE,AND ANY DISTANCE FROM THE BASE ALONG THE GAGE HOLDING ROD,ONE 0.375 IN. DIA. HOLE AND ONE 0.465 IN. DIA. HOLE REDUCED TO 0.375 IN. INNER DIA. BY P/N 657K,MFR 57163 REDUCING BUSHING |