for increased strength and durability choose The Stanley 4-18-299 12 Piece Punch & Chisel Set This 12 piece punch and chisel set is made from chrome vanadium steel for increased strength, durability and reduced breakage. It is a great engineering kit for chiselling, marking centre lines, hole locations and pilot drill starting points. Features: Quenched & tempered to precise specifications Quality chrome vanadium steel for increased strength and durability For cutting, shaping wrought iron, cast iron, steel, brass, bronze, copper and aluminium Increased strength and durability for retained accuracy when marking out centre lines, hole locations and pilot drill starting points Comes with: 10, 12, and 16mm (3/8, 1/2 and 5/8 in) Cold chisels 2, 6 and 8mm (3/32, 1/4 and 5/16 in) Centre punches 1.5, 3, 4, 5, 6 and 8mm (1/16, 1/8, 5/32, 3/16, 1/4 and 5/16 Pin punches Specification: Pack Qty: 12 Piece