This bench block is made of high quality tool steel. It is a versatile bench block, and can be used for forming, riveting, work-hardening wire, planishing flat elements, stamping, and more. The bench block measures 6.2 x 6.2 x 2.0 cm (2.5 x 2.5 x 0.75") and weighs 578 g (1 lb 4.3 oz).