Rubber Bench Block 4 x 4 x 1" - SFC Tools - 12-090 This rubber bench block is extremely handy for hammering, stamping, disc cutting, and other uses. Made of firm vulcanized rubber to give you an excellent surface to work on. Remove dents and straighten metals without scratching, marking, or distorting your metal. Block measures 4 x 4 x 1 (10 x 10 x 2.5 cm).