About this item Each loop is proudly manufactured, meticulously inspected, and tested in our Western, PA facility Compact form factor and lightweight functionality This continuous loop is sewn together providing more strength than a knot Clear tubing allows for easy inspection and protects the stitching Manufacturer recommended Prusik cord for OpLux, this 6mm specialty cord by Sterling features a durable Technora sheath and a nylon core MBS: 4,100 lbf in a basket configuration