Heat treated steel "circlip" pliers for large equipment repair are 16 inches long overall with a 12-1/2 inch handle length - big and strong for the toughest heavy equipment jobs out there Rugged design features replaceable tips and a spring ratchet locking mechanism to securely hold against snap ring tension Internal pliers are capable of removing and installing snap rings from 3-1/16 inches to 6-1/4 inches (78 mm to 159 mm) in diameter External pliers are capable of removing and installing snap rings from 3-1/2 inches to 6-1/2 inches (89 mm to 165 mm) in diameter Durable blow-molded storage case includes extra pairs of replaceable 0.12 inch (3mm) diameter tips: straight, 45°, and 90°