The GEARWRENCH 27-piece punch and chisel set includes: 8 cold chisels, 3 center punches, 6 pin punches, 4 long taper (drift) punches, 6 starter punches, and a cloth tool roll for storage. Use these cold chisels for cutting metal rivets, bolts, and nuts. Use the pin punch to drive out pins and rivets during final removal. The center punch is used for marking center lines, and pilot drill locations, while long taper punches are used to install and remove pins and shafts and to align holes. Use starter punches for both starting and installing pins and rivets.