ITEM NAME:New Stainless Steel Quick Link Marine Grade Carabiner Lock SWL-280KG 4mm Description: Wide Application: for any marine environment,personal use 316 stainless steel,superior corrosion resistance Precision screw provides tight and secure connection Great for anchor chains and trailer safety chains for chain fittings,chains,ropes,and webbing Material: 316 Stainless Steel Color: Silver Dimension:  Diameter=4mm  L*W=4*1.8cm (1.6*0.7 inch) Safe Working Load: 280kg/616lbs Breaking Load: 1400kg/3080lbs Warning: Not to be used for overhead lifting Don't exceed work load limits Package Includes: 1x Stainless Steel 316 Quick Link 4mm SKU: 13_J000154004076.Great for anchor chains and trailer safety chains. 1x Stainless Steel 316 Quick Link 4mm. Precision screw provides tight and secure connection. 316 stainless steel,superior corrosion resistance. Material: 316 Stainless Steel.