Adjustable thumb release by Scott Archery. Nickel-Plated Brass Handle. Open Auto Return Hook Design. Available in Large and Medium. Adjustable Trigger Tension and Travel. 3 and 4 Finger Adjustable Extensions Included. Improved Cocking Mechanism. Includes Additional / Interchangeable Thumb Barrel. Adjustable thumb release by Scott Archery. Nickel-Plated Brass Handle. Open Auto Return Hook Design. Available in Large and Medium. Adjustable Trigger Tension and Travel. 3 and 4 Finger Adjustable Extensions Included. Improved Cocking Mechanism. Includes Additional / Interchangeable Thumb Barrel.