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 Mossberg MC1SC, Ruger Max-9, S&W M&P Shield 3" 9/40 & 2.0 9/40, S&W M&P Shield Plus.