【2 Assembly Options】: Quick installation can be completed with a pin within seconds without any additional tool required. This is for temporary use of the chain connector. The standard installation uses a hammer for assembly within a few minutes, making it suitable for permanent use. 【Industrial Use】: The G80 Hammer Lock Coupling Link is a vital component in professional lifting and rigging applications, designed to connect chain branches to master links and hooks in overhead lifting slings. Made from high-strength drop forged alloy steel, it supports up to 12,000 lbs with a breaking force of 48,000 lbs. 【Civilian Use】With a 4:1 safety factor design, the Hammerlock Coupling Link seamlessly combines with tow chains for various vehicles, including tractors, forklifts, RVs, UTVs, trucks, trailers, and SUVs. A superior alternative to safety chains and tow hooks for connecting trailers. 【Safety Design】: Suitable for Grade 80 chains, it meets EN1667 standards, ensuring reliability for industrial applications.Bringing home expensive professional industrial products at an affordable price means bringing home safety. 【Cost-Effective Pack】: This product comes in a convenient 2-pack, offering excellent value for money. Whether for routine maintenance or emergency repairs, having these G80 Hammerlock Coupling Links on hand ensures you're always prepared for your heavy-duty tasks. 2-Pack 1/2" Hammerlock Coupling Links 12000 lbs, 2 Pins for Temporary and Permanent Assembly - Industrial G80 Chain Connection Link 5.3T - Safety Chain Connector for Lifting, Towing, Chain Extending and Rigging