Irwin Replacement Extension Chain, For 20R Locking Chain-Clamp Pliers: * Extension chain locks around any shape or size * Easy to replace * For VISE-GRIP 20R Locking Chain-Clamp Pliers * Tool Type: Replacement Chain * Applications: Building Maintenance, Construction, Pipe-Fitting, Plumbing, Welding * Applicable Materials: Aluminum, Brass, Bronze, Copper, Iron, Nickel, PVC, Steel, Zinc