Designed for archers seeking professional-grade customization and reliability, the Tru-Fire synapse thumb release offers true double-sear operation and a host of precision-tuned features. Built around a durable, weight-balanced brass handle and encased in an anodized aluminum cover, this release includes interchangeable finger extensions-a hook-style for three-finger use and a fourth-finger option for enhanced control. Inside, stainless steel components are meticulously machined for crisp, dependable trigger activation and cocking performance. The fully adjustable thumb button allows for multiple position settings, with secure locking adjustments for both trigger travel and trigger tension. Trigger pull weight can be fine-tuned from 1.25 to 20 oz without tools, spring changes or disassembly. Available in sleek red, green and silver finishes, the Synapse is a premium release built to match your exact shooting style. Dual sear mechanism delivers reliable, crisp trigger breaks with added safety Precision-milled steel internals offer durability and operational smoothness Adjustable trigger travel and pressure allow complete customization to your shooting style Brass handle is weighted for enhanced control and balance Anodized aluminum cover offers a sleek, durable layer of protection Provides crisp, responsive operation with every use Multi-position thumb post allows comfortable, ergonomic hand placement Includes a durable cord loop for easy hanging or attachment