88 PUNCH & CHISEL KIT 12PC | Contains 5/16 in, 5/8 in, 3/4 in cold chisels, 1/16 in, 1/8 in, 5/32 in, 3/16 in, 1/4 in, 5/16 in pin punch, 1/4 in center punch, 3/8 in prick punch and 7 in scratch awl. Scratch awl is ideal for starting screw holes. cold chisels are used for cutting and shaping metal that is softer than the cutting edge. Pin punches are used to remove a pin or key. Center punches are used for making accurate hole starting easier and prick punches are used to mark and scribe work pieces. Made of high-carbon, heat-treated American steel.