Speed Master features an open top design for speed, covered trigger for safety and tension screw adjustment for added security, the highly versatile Speed Master 2.0 adds convenient on/off ability to the equation when set up as a paddle holster. The Speed Master 2.0 can also be configured as a solid and stable belt holster using the included belt slot attachment. Compatible with belts up to 1.75″. Fits AMT Hardballer; Colt 5″ 1911; Kimber 5″ 1911; Para USA 5″ w/single stack mag, 5″ w/staggered mag; Remington R1; Ruger SR 1911 5″; S&W 1911 5″; Springfield 5″ 1911; Taurus PT1911 5″.