The Stahlwille 96700712 Punch Kit includes punches of 2.5mm, 3mm, 4mm, 5mm, 6mm, and 10mm sizes, all stored in a box. The punches can be used for producing round holes in various materials such as metal and wood. They are made of high-grade special alloy steel for strength and durability. The kit also includes a punch holder, die holder, and a 6mm claw knocker.