ArkHardware 5/16" 8 mm Eye & Eye Anchor Swivel Wire Rope Connector Cable Railing Rigging Anchor Chain Boat Mooring Stainless Steel Type 316 Commercial Marine Grade (8 mm=5/16"- 1 PIECE) 1 Order= 1 piece of 5/16" =8 mm Eye & Eye Swivel. Eye Thickness= 8 mm; Item Overall Length= 9.3 cm. SIZE: A=5/16"=8 mm; B=3/4"; C=3/4; D=3-5/8"=93 mm=9.3 cm. Item Weights=0.28 lb. WORKING LOAD LIMIT= 1100 LBS. Apply: Wire Rope Connector, Cable Railing Rigging, Anchor Chain, Boat Mooring. Stainless Steel Type 316 Commercial Marine Grade. Superior strength & rust resistance over grade 304.Applications where rust is concern. General Purpose, Not for overhead lifting.