ITEM NAME:Stainless Steel Quick Links Oval Carabiner Cable Shackle Connector 6mm Description: - Made of quality stainless steel 304/316, two steel types available, never rust and able to bear heavily - These oval link hooks have a screwable catch to allow for a quick and simple link of chains, smooth screw operation to securely close and lock - An efficient way to connect, temporarily and permanently solution for easy connect ropes, chains or webbing - Ideal for boating, camping, hiking and other indoor and outdoor activities, neccesary to keep as an assortment kit in your car or boat - Turn clockwise to disconnect, safe and reliable choice Specification: - The length "4mm" is referring to the diameter of steel ring thick. For details such as breakload and size, you can check the chart in the pictures. - Breakload of 4mm carabiner: 560 kg/ 1235 lbs - Breakload of 5mm carabiner: 730 kg/ 1610 lbs - Breakload of 6mm carabiner: 1000 kg/ 2200 lbs - Breakload of 8mm carabiner: 1750 kg/ 3858 lbs Package Included: 1 piece quick link Note: This item is conforming to international standard DIN5299C. 10mm diameter of 304 stainless steel is also available in our shop, please check on it..Breakload of 6mm carabiner: 1000 kg/ 2200 lbs. - Breakload of 4mm carabiner: 560 kg/ 1235 lbs. - Breakload of 5mm carabiner: 730 kg/ 1610 lbs. - Breakload of 8mm carabiner: 1750 kg/ 3858 lbs. - These oval link hooks have a screwable catch to allow for a quick and simple link of chains, smooth screw operation to securely close and lock.