This is a standard steel bench block that easily slides into its rubber base. The rubber base absorbs the shock and reduces vibration on your bench or work surface. Rubber base greatly reduces the sound from pounding on the steel block. Tool block can be used for different applications, can be used for jewelry making, flattening, marking or stamping metals, sheet and wire. Flip rubber base over to use as a softer more resilient non-marring surface when you need it. Over all size of block: 2.5" x 2.5" x 1"