Large - internal circlip pliers for installing or removing circlips into bore holes. With locking device - can be released without completing cycle. For bore holes from 9 59/64" to 16". Pliers body: rolled steel; high-strength. Tips are made of special tool steel; oil-hardened for durability. Tips can be easily replaced by unthreading screws from pliers body. Replaceable tip part number - 44 19 J5.