JTEKT-KOYO HK3016 Drawn Cup Roller Bearings With Open End - 30 mm ID, 37 mm OD, 16 mm Width Wear Gauge They are needed for adjusting

They are needed for adjusting the pullers

softer sheets due to its jaw shape

The punch blades are particularly sharp

1x Slidehammer

The Whittet-Higgins PWT-14 is a precision bearing lockwasher with precision-ground parallel faces that keep the assembly square to the threaded shaft

JTEKT-KOYO HK3016 Drawn Cup Roller Bearings With Open End - 30 mm ID, 37 mm OD, 16 mm Width Wear Gauge They are needed for adjustingDrawn Cup Roller Bearings With Open End JTEKT KOYO drawn cup needle roller bearings with open ends have a thin, drawn outer ring that serves as the outer raceway. They offer the lowest radial cross section possible for needle bearings and are typically pressed into housings as a complete unit.