Knipex Cobra Pliers Set - 3 Piece, 7", 10", 12"The KNIPEX Cobra Water Pump Pliers are the perfect gripping pliers for every application. The Cobra Pliers will grip any shaped object round, square, hex or flat with a bite like no other pliers. This very popular three piece set will grip up to 2 3 4". Adjustment at the touch of a button directly on the workpiece with fine adjustment for different sizes and a comfortable grip. Self locking on pipes and nuts prevents slipping and requires low