The OTC Stinger heavy-duty snap ring pliers set heat treated steel “circlip inch pliers for large equipment repair and replaceable tips and spring ratchet locking mechanism to securely hold against snap ring tension. Each pliers has an overall length of 16 inches and a handle length of 12-1.2 inches. The internal pliers’ capacity is 3-1/16 inch to 6-1/4 inch (78 millimetersto 159 mm) snap rings and the external pliers’ capacity is 3-1/2 inch to 6-1/2 inch (89 millimetersto 165 mm) snap rings. The kit includes Internal snap ring pliers, External snap ring pliers, 2 each 0.12 inch (3 mm) straight tip, 2 each 0.12 inch (3 mm) 45 Degree tips, 2 each 0.12 inch (3 mm) 90 Degree tips, tip retaining screws and a blow-molded storage case.