Model : IM31, IM32. Part number : IM31 TK2.
SNAP ON IM31 TUNE UP KIT WITH BEARINGS + SNAP ON IM31 HAMMER PIN SET
SNAP ON IM31 & IM31A ALL MODELS TUNE UP KIT WITH BEARINGS FOR SNAP ON 3/8" DRIVE
SNAP ON IM31 & IM3151 ONLY IM3151-12R 1/2" DRIVE ANVIL, TUNE UP KIT, HAMMER PINS