The Stan Outdoors OnneX Thumb Echo Grey M Release is designed for seamless transition between different release configurations. Its ergonomic design provides high performance and excellent handling. The release features interchangeable, adjustable thumb barrels, which are shipped with two options. This allows users to customize their setup according to their preferences. The trigger tension is also adjustable, giving users more control over their shot sequence. The Trainer Lock feature enables safe practice without the risk of dry-firing a bow. Fast shipping ensures that users can get started quickly. With its premium design and features, this release is suitable for both beginners and experienced shooters.Key Benefits and Features: Release Profile: Same as OnneX Hinge and Resistance Release Finger Pieces: Whale Tail and Finger Pieces, removable/replaceable Thumb Barrels: Interchangeable, adjustable, 2 shipped Trigger Tension: Adjustable Trainer Lock: Allows safe practice without dry-firing