Craftsman 9-45433 7 and 10-Inch Adjustable Pliers Set, 2-Piece Locking mechanism retains jaw size and setting until readjusted Parallel jaw design provides a non slip grip on round, hex or square work pieces Operates with one handed downward pressure and does not require handle squeezing 11 position adjustment assures a precise fit on any object within working capacity Thin jaws for access in tight places