Designed for maximum ergonomics and precision fit, these sit comfortably in your hand and have a non-marring slip fit over spoke nipples. High-leverage block that is easily grasped from multiple angles . Low overall height, for applications where a clamp-style spoke holder is desired. Made from laser-fused Nylon . Spoke wrenches are hand tuned and tested for a perfect nipple fit. Spoke wrench holders sold separately. 100% Made in the U.S.A.