The 12mm arborist climbing rope has a tough and durable 16 strand polyester cover making the rope a better abrasion resistance with easy grip and knot-holding capability. Spliced loop available. 41126XX Diameter inches / mm 1/2" / 12 mm MBS 8400 lbs / 3800 kg Elongation 4.1% Weight 100 g/m | 6.7 lbs/100ft Construction 16-strand Cover/Core Polyester / Nylon Spliceable No,sewn Standards