The Tru Ball Pro Diamond Xtreme Release is a machined aluminum and stainless steel release with trigger location adjustment to fit the hand. Features torque free 360 degree swivel and inner ball/ramp firing mechanism-no sear to wear out. Push the thumb trigger to open jaws, let up the jaws close automatically. The Xtreme Pro Diamond has a 7/16 shorter stem to help maximize draw length. Mfg Item Number: TXPR-CA