Steel Forming Block Great For Metalsmiths, Metal Working & Shaping Soft Metals & Waxes. This is a new steel forming block. The depressions have a smooth finish that are great for shaping metal. Made from high carbon tool steel that is precision machined and hardened to perfection. Has a Rockwell hardness of 50 HRC. Has 10 half cylinder grooves. Seven 90 degree angle grooves. Has 5 rectangle grooves. The block measures approximately 2" x 2 1/2" x 2 1/2" (51 x 63.5 x 63.5 mm)We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.