The Extended Safety provides the shooter improved access to the safety on the Ruger MKII, MKII 22/45, MKIII and MKIII 22/45 pistol. The Extended Safety is the perfect addition when being used with target grips. The contour is wire EDM precision cut from 17-4 stainless steel. The Extended Safety is .150" longer than the factory button. Comes complete with safety detent and spring.