Retaining Ring Plier Set For Ring Type Internal/External Plier Types Retaining Ring Pliers Non-Sparking No Grip Style Standard Cushion Overall Length 5 3/4 in 5 7/8 in 7 1/8 in 7 3/8 in 7 1/2 in 8 5/8 in 9 in 9 1/4 in For Minimum Bore Diameter 3/8 in 5/8