Safety razor the rectangular dimensions shared by the wedge, standard single-edge, and double-edge blades. The injector, itself, was also the first device intended to reduce the risk of injury from handling blades. The Gillette blade dispenser released in 1947 had the same purpose. The narrow injector blade, as well as the form of the injector razor, also strongly influenced the corresponding details of the subsequently developed cartridge razors. Both injector blades and injector safety razors are still available on the market, from antique stock as well as modern manufacture. The injector blades have also inspired a variety of specialised blades for professional
Straight razor curved lower part of the main blade from the shank to the cutting edge is called the "shoulder". The point where the shoulder joins the cutting edge is called the "heel". The endpoint of the cutting edge at the front of the blade, opposite to the "heel", is called the "toe". A thick strip of metal running transversely at the junction where the main blade attaches to the shank is called the "stabiliser". The stabiliser can be double, single, or can be absent in some razor models. The first stabiliser is usually very narrow and thicker and runs at the