Manufacturer Part Number (MPN) : TIOS-BKThe T.R.U. Ball™ Inside Out back tension target release, raises the bar again on technology, accuracy, and design. This premier back tension style target release features patent pending Zero-Torque Single Head Adjustment, to remove the twist on any D-Loop at full draw. The all new Infinite 2-Screw Speed Adjustment has engraved marks on the handle for quick, easy, and accurate settings. The Inside Out also features an easy 2-Screw flip sear that changes the release from a ""click"" to a ""no-click"", along with a self closing spring bail, simply push the gate closed to load on your bow string. Available in Small 25/32"", Medium7/8"", Large 1"" and Xtra-large 1 1/8"" handle hole sizes and can be purchased with any of the following finger grooves, two finger, three finger, four finger, and four finger straight. Purchase ""Optional"" handle pieces separately to change the release configuration to a 2, 3, 4, or 4 finger model without finger grooves. Truly, ""A Revolutionary Back Tension RELEASE!""