Relton CBSP-56 Hammer Core Bit Starter Points with 3-1/2 Diameter

Relton CBSP-56 Hammer Core Bit Starter Points with 3-1/2 Diameter Replacement starter point only Heat-treated spring loaded Diameter: 3-1/2 Minimum Order: 1 Each Note: Once the hammer core bit has been used the shank and core bit become a one-piece system.