NORJIN 4 Pack G80 Alloy Steel Hammerlock Coupling Link, 5/16" Hammer Lock Safety Chain Connector Link 4400 lbs Working Load Limit

【Specification】: 4 Pcs G80 Alloy Steel Connecting Link, Size: 5/16"", Load Limit: Max working load: 4400 pounds. 【Premium Material】: Constructed of grade 80 alloy steel, heavy duty dual hammerlock coupler is solid, anti-corrosion and long service life.. 【 Easy to Install】: Adding grease to the inside of the gasket and grind off the angle of the pin a little, then use a hammer or C-clamp to drive the pin to the locking ring.. 【Wide Application】: It can be used to quickly assembly, dismantle and reassembly the lifting chain slings. Fit for trailer, port transportation, hoisting, sling connection, metallurgy, port and other industries, etc.. 【Excellent Service】If you have any questions or concerns, please feel free to contact us. It is our policy to render the best service to our customers.