STAN OnneX Heavy Metal Thumb Button ReleaseSTAN OnneX Heavy Metal Thumb Button Release Description STAN Onnex releases are designed with legacy features archers must have built into a complete shooting system Each Onnex handle will allow for the shooter to change between one of the three handle types thumb button, back tension, & resistance seamlessly while maintaining anchor point & peep height Heavy Metal construction adds weight and forgiveness Open hook design for consistent and accurate