The striking surface of the head uses a generous amount of flexible copper. It drives in and pulls out firmly and surely, regardless of the ground conditions. The head is equipped with a hook and a hole for removing embedded pegs. The copper part is replaceable. [ Specifications/Standards ] ● Size: 35 x 120 x 290 mm ● Weight: 670g ● Material: Head / Copper, Steel (black electrodeposition coating) / Handle: Japanese Zelkova ● Manufacturer Part Number: N-001