Prolong your string life and increase performance with Killer InstinctA(R) Everything Crossbow Lube. This small tube is easy to stash in a pack or pocket, and can be applied directly to your crossbow's string and string servings to reduce friction and wear over time. Prolongs string life Apply directly to string and string servings Compact tube fits easily in your pocket Helps ensure smoother shots and better performance over time Order today!