The UV BUTTON shares the same profile as The Hinge 2, making the switch between both releases seamless. With UltraView's new ULTRAGLIDE bushing technology, a wide range of travel and force adjustment, springed d-loop retainment, wrist strap loop, ergonomic contoured knob, rubber bumper silencing system and highly durable Cerakote finish. UltraView UV Button Medium Black Aluminum Release UVBR-04001