Dovo 201 004 Shavette Blade Holder, Black. These interchangeable blade holders allow the use of a variety of blades in your DOVO Shavette disposable Blade Straight Razor. The Shavette Black Blade Holder uses a longer version of the double edge blade, more closely resembling the blade length of a standard straight razor. These are snapped in half for use, thereby doubling the economy factor.