3 sets 1/2" impact retaining ring & o-ring and 3 sets 3/8" impact retaining ring & o-ring,1pcs Anvil Retaining Ring Install Tool Installation: Put the fixing ring into the groove of the installation tool; Insert the anvil into the retainer with 45° thrust and make the anvil vertical Anvil installation, easy to install quickly, can reduce downtime. It is an indispensable tool accessory on the fixed equipment.
eBay