The STB-1 thumb button releases deliver precision and comfort with enhanced ergonomics. Offering adjustable travel, tension, and thumb button positioning, these releases provide a fully customizable shooting experience. The open auto-return hook and double sear trigger ensure smooth, consistent performance, while the 3 and 4 finger extensions with adjustable angles allow for a tailored fit. The STB-1 is designed for smaller hands. Feature a convenient lanyard hole for easy carrying and come in a sleek new color. Product Features Open Hook Jaw Adjustable Thumb Barrel Adjustable 3 and 4 Finger Extension Double Sear Trigger Lanyard Connection