Channellock(TM) retaining ring plier converts from external to internal rings with a simple switch of the red tab. Includes 5 pairs of color coded interchangeable tips in the following sizes: .036, .047, .070 straight and .036 and .047 ninety degree. Fits the following ring size ranges: internal - 3/8 inch to 2 inch; external - 1/4 inch to 2 inch.Combines 10 tools in 1. Heavy duty return spring allows easier operation.