3 Nylon Brass Hammers Jewelers Metalsmith Mallet Bench One nylon hammer that measures approximately: 13" (33 cm) overall length 13" (33 cm) overall length 1 1/4" (31 mm) face diameter 1 1/4" (31 mm) face diameter 3 3/8" (86 mm) head length 3 3/8" (86 mm) head length One nylon hammer that measures approximately: 10" (254 mm) overall length