Sleek low profile bulkhead cap for the D413. Includes 4- M3 CSK screws that insures the bulkheads are lined up straight thanks to the countersunk holes in the heavy duty alloy bulkhead cap and the alloy construction offers increased heat dissipation. Uses common hardware so that center gear acces only requires a 2mm wrench to save time. Machined, polished and anodized in factory orange.