Self-Locking Large Opening Shackle – 8mm Diameter – 5/16″Features:Self-locking large shackle forged in grade 316L stainless steelThe pin is locked into one of the indentationsNo risks of loosening due to vibrationsOutstanding working and breaking loadsWLL: only for industrial applications (lifting i.e)CE markingApplications:For applications where a large opening shackle is requiredSpecifications:Materials: 316 stainless steel gradeWorking load: (lb) 1780 / (kg) 810WLL: (lb) 1190 / (kg) 540Breaking load: (lb) 5950 / (kg) 2700Weight: (lb) 0.148 / (g) 67Dimensions:A: (inch) 2 1/4″ / (mm) 57B: (inch) 1 17/64″ / (mm) 32C: (inch) 5/16″ / (mm) 8D: (inch) 43/64″ / (mm) 17D diameter: (inch) 5/16″ / (mm) 8E: (inch) 5/16″ / (mm) 8F: (inch) 3 1/32″ / (mm) 77G: (inch) 2 1/4″ / (mm) 57Caption:Working Load (WL): For nautical applicationsWorking Load Limit (WLL): For industrial applications only. The safety factor is 5 times the breaking load.WLL = Breaking load / 5*Sold as an Individual Quick Guide (pdf)