Essential Dapping Set with17 different sizes. Includes seventeen hardene and polished steel punches that range in size from 2# 2.5# 3# 3.5# 4# 4.5# 5# 5.5# to10#(2mm 2.5mm to 10mm),it's really all one needs for virtually any job. Each is stamped with its head diameter in metric size. This set is made of polished steel and comes in a functional wooden st