This specialty design features a tough, heat resistant Technora aramid sheath over durable nylon core strands. The core in this kernmantle design keeps the VT from flattening and binding up. A computerized large gauge sewing machine is used to bar tack a devilishly strong stitch with our custom Technora thread. This thread / stitch combination yields superior strength and overall durability. Manufactured in the U.S.A. from Domestic and Globally sourced raw materials. The VT Prusik is a versatile open-end Prusik. Use to tie: Symmetric Prusik, Asymmetric Prusik (Schwabisch/Distal), Valdotain Tresse, French Prusik The VT performs well when used for ascending, self-belay while rappelling, as a traveling rope grab, or in conjunction with a Prusik minding pulley in haul systems. Overall length: 33" For use on ropes 8mm - 13mm in diameter Tensile Strengths: End to End: 4,400 lbf Basket: 6,500 lbf Video on uses of the VT: