This hard rubber dampening block from Vintaj has 6 working surfaces which offer ideal resilience when working with steel and hardwood punches. Perfect for filing and other detail work. Absorbs excess sound and vibration and helps deaden the sound when striking a piece of metal. Its non-skid surface is perfect for filing, hammering and removing dents from metal. Use under your steel bench block (sold separately). Each package includes one block that measures approximately 4" x 4" x 1".