Single Horn Steel Anvil 4 LB Jewelers Metalsmiths Tool 4 Lbs Steel Single Horn Anvil The inertia of this anvil allows the energy of the striking tool to be transferred to the work piece. Horn length: 2-1/2'' ;Top surface platform dimension: 2'' x 4'' Anvil overall dimension: 2-1/2''L x 6-3/8''W x 4''H Quantity: 1 ; Weight: 4 lbs