Kobalt 1/2 x 1/8 in Snap lock punch

Works with vinyl and aluminum siding
Punch impression is spaced 3/8-in from edge
Punches a 3-sided hole creating a tab that locks siding to finishing trim
Non-slip, TPR grips for easy use and superior comfort
Constructed of steel for long-term durability
Corrosion resistant, withstands all-weather environments