Tru-Fire Synapse Thumb Button Release Red. Built on the platform of a weighted brass handle with an anodized aluminum cover the Synpase allows users the choice of two finger extensions-a hook that wraps the ring finger for a 3-finger configuration as well as a fourth-finger extension. The internal stainless steel components are precision milled for exceptionally crisp operation and flawless cocking of the trigger activation lever. The thumb button is multi-position configurable with lockable adjustments for trigger travel and trigger tension. The trigger pressure is adjustable from a range of 1.25 to 20 ounces without the need to change springs or disassemble the release. The feature-packed Synapse handheld release is available in five color choices-red blue green orange and silver. The new Tru-Fire Synapse thumb-button release with true double-sear operation features a broad range of adjustments that allow it to be perfectly customized to any archer's liking. Built on the platform of a weighted brass handle with an anodized aluminum cover the Synpase allows users the choice of two finger extensions-a hook that wraps the ring finger for a 3-finger configuration as well as a fourth-finger extension. The internal stainless steel components are precision milled for exceptionally crisp operation and flawless cocking of the trigger activation lever. The thumb button is multi-position configurable with lockable adjustments for trigger travel and trigger tension. The trigger pressure is adjustable from a range of 1.25 to 20 ounces without the need to change springs or disassemble the release. The feature-packed Synapse handheld release is available in five color choices-red blue green orange and silver. Features: Precision Milled Internal Components Adjustable Trigger Travel Adjustable Trigger Pressure Weighted Brass Handle Aluminum Anodized Cover and Components Crisp operation Multi-position thumb Cord loop Specifications for Tru-Fire Synapse Thumb Button Release: Manufacturer: Tru-Fire Condition: New Package Contents: Tru-Fire Synapse Thumb Button Release Tru-Fire SYN-R: Synapse Thumb Button Release Red