Perry 4mm Quick Repair Link Bzp-Electrogalv (PK-2) These quick repair chain links ensure a strong connection in any steel chain, making them a versatile tool for use in many industries. They can used to easily join two pieces of steel chain together, with a secure locking nut keeping them bound.Features and Benefits Locking nut ensures a strong connection Connects any two pieces of steel chain together Galvanised for extra protection against rust and corrosionTypical Applications Quickly joining two steel chain pieces together Extremely wide applicability GBP 3.99 1