Chain Grip - 8mm Chain - 5/16" - 85mm Length - 3-11/32"Features: For an 8mm chain; Perfect to ensure safe anchoring by easing the tension on the anchor chain; Protects the boat by reducing the chafe of the chain on the rub rail and roller chock; Positioned between two links of the chain (single-handed operation); Optimized design to avoid accidental release of the chain; One piece with nonmoving parts; Forged in Duplex stainless steel grade (increased mechanical & corrosion resistance); Applications: Mooring; Specifications: Materials: Duplex stainless steel grade; Dimensions: Rope size: (mm) 17; Length: (inch) 3 11/32" / (mm) 85 ; Working load: (lb) 1050 / (kg) 480 ; Breaking load: (lb) 1960 / (kg) 890 ; Weight: (lb) 0.194 / (g) 88 ; Caption: Working Load (WL): For nautical applications; Working Load Limit (WLL): For industrial applications only. The safety factor is 5 times the breaking load. WLL = Breaking load / 5; *Sold as an Individual - cis2:mm5mnJlm -Quick Guide (pdf)