Quickly and Easily Layout Hole Locations on your Work Piece 
- Length: 6 inch
 - Point size: 1/4”
 - Harden Stainless Steel Construction
 - Punch head hardness HRC: 60-62
 - Four knurled bands provide strong and steady grip
 - Removable & replaceable punch head
 - Controlled tension movement: screw down for heavy strike, screw upward for lighter strike.