Bramley 1 1 2" Chassis Punch (38mm) 5026180 while spring loaded design and optimized PN_D1010800 while spring loaded design and optimized handle contact points improve comfort and reduce fatigue they are available for multiple applications Bramley 1 1 2" Chassis Punch (38MM) New 3 Point Design On Punch For Easier Cutting New Packaging Upgraded Tool Steel Specification For Increased Life & Performance Cut Stainless Steel More Easily Than Previous Design For Simple Cutting Of Neat Holes In Sheetmetal Simple To Use: Drill A Hole 1 32” Larger Than Drive Screw Insert Screw Through Die Place Screw Through Hole In Metal & Screw On Punch Turn Drive Screw With Spanner Or Wrench Until Metal Is Cut Bramley Sheetmetal (Chassis) Punches For Simple Cutting Of Neat Holes In Sheetmetal Up To 1 6mm Mild Steel