Wheel Weights - 1/4 oz - Brass - 10 Pack Design allows multiple weights to be stacked on a single spoke, or placed anywhere along the length of a wheel spoke for very precise wheel balance Weights install using a stainless steel setscrew that has been pre-applied with thread lock; do not require hammering to install or remove Weight attaches directly to the wheel spoke, not the spoke nut, so they can be used with special outer-spoke rims Reusable, will not chip or rust For spokes up to 3/16" thick Precision CNC-machined Made in the USA Optional 5 pk of 3/32" Allen wrenches sold separately.