50x100 Derby Single Edge Professional Razor Blades (1 box)Derby Professional Shavette Half Blades fit all traditional shavette razors that use a sleeve to keep the blade in place. The half blades saves you the hassle of snapping in half Each blade is hardened and ground by utilising advanced equipment in Turkey. The chromium ceramic platinum tungsten and polymer coating ensures each blade has superior comfort and offers multiple passes. Contains a total of 100 half blades.