Hammerlock 1/2 inch coupling link with rubber isolators - High strength, durable construction: heavy-duty G80 alloy steel with excellent corrosion and wear resistance. Maximum load-bearing capacity up to 12000 lbs; breaking capacity up to 47000 lbs. Built for harsh weather and tough conditions. - 2023 upgraded safety chain connector with rubber isolators: each connector includes two rubber isolators, for a total of four per set. Reduces wear on tow chains and vehicles and significantly lowers operating noise. - Wide compatibility and versatility: 1/2 inch Hammerlock coupling link fits tractors, forklifts, RVs, UTVs, trucks, trailers and SUVs. Safety chain connector makes attaching tow cords easier and can also be used as a 1/2 inch D-ring shackle. - Complete 2-pack package: includes Connecting links x4; Connectors x2; Drive pins x2; Detachable isolators x4. Secure, well-presented packaging that is suitable as a gift. - Practical use scenarios: towing or recovering a stuck vehicle on a farm or worksite with a tractor or pickup; attaching or securing trailers and equipment to SUVs, trucks, or RVs in bad weather; quick, low-noise towing applications where chain wear must be minimized.