Stanley J361 Proto 18 Piece Large Pliers Set with Replaceable Tips Includes one internal and one external plier. Convenient blow-molded carrying case includes storage for spare rings. Custom grip handles for added comfort. Contains 16 interchangeable tips listed below. (Replacements available). Covers ring range: External 1-1/2-inch - 3-3/4-inch Internal 2-7/16-inch - 4-inch Spring loaded ratchet mechanism minimizes operator fatigue by allowing ring to be compressed or expanded through gradual moves and locks at desired size. Heavy and large rings are safely and easily controlled. Pliers overall length 9-1/2-inch.