The Tek-Lok is an innovative belt loop system that is adaptable to many sheath systems. The locking system allows the knife to be carried in the vertical or horizontal position on your belt or web gear. Fiber reinforced nylon. Ideal for small and lightweight items. Fits 1.5 belts and smaller. Attaches directly to a Kydex or plastic sheath Inner dimensions are 1.5 x 1.5. Hardware included.