Better match – Flexible switching between 3 or 4 fingers. Effectively solves the problem of unsuitable palm size. Releaser sensitivity and button position can be adjusted using the included wrench. Perfect accuracy for hitting the target – The thumb button features a textured surface design to help prevent slippage. Made with CNC machining technology and hard oxidation treatment. Includes a built-in safety device. Tested to withstand up to 200 pounds of force. Clamp head – Jaws feature a hook-shaped design, providing a smaller contact surface with the bowstring for improved archery accuracy. Reduces wear on the D-loop. Smooth action of the thumb mechanism ensures consistent release. Optimized design – Product includes: archery release aid and adjustment tools. Improved internal components for smoother operation and enhanced stability. Compact and lightweight for easy carrying; ideal as a backup release in your hunting gear. Bow release aid designed to improve your bow’s accuracy. Thumb release for archery with comfortable operation and reduced hand strain. Suitable for all ages and ideal for both beginner and experienced archers. Color: Red + Black Material: Metal Size: 11 x 8 x 3.5 cm Package Contents: 1 x Spreader 2 x Wrenches 1 x Wrist Strap 1 x Interchangeable Finger Note: Light reflection and differences in display screens may cause slight variations in color compared to the actual item. Measurement error allowed is +/- 1-3 cm.