This is the Dive Rescue International Kong 8mm Stainless Steel High Quality Quick Link Features Weight: 79 grams Strength: 40 kN CE/UIAA Dimensions: 5.00 x 4.00 x 1.00 in The Kong 8mm Stainless Steel Quick Link was conceived for use with rope clamps. This high quality product was tested piece by piece and is great for all kinds of sporting needs. From Climbing enthusiast to Mountain Rescue professional, this steel quick link is made for you!