Black re-loadable heavy duty butterfly safety Razor handle size is 4.25". Heavy duty professional copper alloy body and chrome electroplated. Butterfly style opening mechanism works as simply as twisting the knob to open, insert new blade and then firmly close to secure the blade. 10pcs supermax platinum brand double edge razor blades. You can use any other brands of double edge blades. Ideal for hair salons, barbershops and household use. Comes in a beautifully crafted mirrored box.