First set of pliers works on internal ring sizes of 1/4" - 1" (7 mm - 26 mm) and external rings 1/8" - 1" (3 mm - 26 mm) Other set works on internal sizes of 3/8" - 2" (10 mm - 51 mm) and external sizes of 1/4" - 2" (7 mm - 51 mm) Each pliers comes with five pairs of color-coded interchangeable tips (20 total) Contains two Quick Switch interchangeable tip pliers Packaged in routed foam for easy storage Made in the U.S.A.. PLIERS RETAINING RING