Stamp Work Punching Base Bangle Punching Base - Common - V-Groove Half-Round Wire Punching Base (HRC) Hardening: 58°〜60° Outer Dimensions: 71.0mm x 46.0mm x 31.0mm Slight dimensional variations may occur. Please consider this if you have knowledge and skills related to manufacturing using this tool. This is a set of a grooved base and a punching base for stamping work on its sides. An unobtrusive anvil It's small, so it won't get in the way. Because it's a compact size, it's easy to carry around. Please consider it.