Hexagon Anvil - for Jewelry Making - - 12-308Has 15 holes and 5 milled slots for riveting, forming, and working small parts. The holes measure from 6 0. 5 mm in diameter. The slots measure from 1. 2 1. 6 mm in width, and are tapered down one side of the block. Overall measures 2. 13 x 1. 88 x 0. 69 (5. 3 x 4. 6 x 1. 7 cm). This hexagon anvil has 15 holes and 5 milled slots for riveting, forming, and working small parts. It has polished faces and is made out of tool hardened steel. The holes