Bee Line from Yale Cordage is one of our most popular prusik cords and provides excellent performance on a wide range of ropes. Bee Line in this diameter is best-suited for use on 7/16" (11mm) climbing lines. Please note that the hand-spliced eyes on Bee Line and HRC will be stiff initially. This is normal. These type of eyes may offer resistance the first few times you put a carabiner in.