PROTO® Plier 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. Covers ring range: External 1-1/2 inch to 3-3/4 inch, Internal 2-7/16 inch to 4 inch. Pliers overall length 9-1/2 inch.