Introducing the all-new DYE Flex Barrel Cover featuring patent pending dual chrono tool internal storage for supreme convenience and accessibility with 1/8” & 3/16” allen keys included. The days of fumbling to find allen keys at the chrono station are over. For superior safety, located inside is a unique internal ball stop pyramid to ensure every ball fired splits on impact, as well as center aligns the barrel for a perfect fit while attached to your marker. An elastic nylon cord with draw clamp is featured for extra strength and to give you the ability to easily adjust and secure the tension to your marker setup. With a soft, flexible silicone design, the DYE Flex Barrel Cover can be comfortably stored in your pocket allowing no distractions during game play. The all-new DYE Flex Barrel Cover is designed with the player’s safety, convenience and style in mind. Features: Dual chrono tool internal storage 1/8” & 3/16” allen keys included Unique ball stop pyramid Self-centering on barrel Soft, flexible silicone design Elastic nylon cord with draw clamp