Sharp AR455DR, AR-455DR Drum & Drum Cleaning Blade Kit - Sharp ARM355N, ARM355U, ARM455N, ARM455U, MX-M350N, MX-M450, MX-M450N, MX-M450U Kit Contains Mitsubishi Extreme Graphics Drum and Technica Drum Blade For Sharp ARM355N, ARM355U, ARM455N, ARM455U, MX-M350N, MX-M450, MX-M450N, MX-M450U 160,000 Page Yield TECH TIP: *Always Replace The Drum Blade With The Drum To Prevent Drum Unit Failure* One Day Shipping!