Simple quick and safe blade replacement.This razor uses the traditional patented "butterfly" opening mechanism to quickly change blades. You simply twist the knob to open, insert the new blade then close to firmly secure the blade. Use standard double edge blades. Durable plated with over the heavy alloy. This is a beautiful safety razor for either your own use or a gift! Pakage contents: 1 x WEISHI Chrome Long Handle Version Safety Razor / With 5 Blades included in package