Compatible with: Turbo T2's, Turbo K's, Resonator's, Resonator R2's, Resonator K's, Nitro .30, all Phantom .30 caliber suppressors, as well as YHM's R9 9mm, Nitro N2O sound suppressors and Wraith 9 XL; Will NOT fit: Original Turbo, Phantom 5.56mm/.223 suppressors, Wraith 45 XL, Phantom .338; 17-4 Stainless Steel; Length: 2 1/8"; Weight: 3.3 oz; Finish: Phosphate Black; Device should be torqued to between 20 and 30 ft/lbs