The Air Force Seal - TC Derby Cover

The Crossed Pistols FTW Skull - TC Derby Cover

The Steal Your Face - Black and Chrome Derby Cover

The Marine - Iwo Jima TC Derby Cover

It starts out as a 5 1/4 inch diameter piece of aluminum

Jolly Roger -7¼ inch Derby Cover Black Gloss Harley-Davidson-Low-Rider-ST-2022 The Air Force Seal -The Jolly Roger 7 inch Derby Cover Black Gloss combines precision engraving with a premium finish for riders who want their motorcycle to reflect their style, service, or personal story. Product Details This is a billet machined part that is made to replicate an original Harley Davidson derby cover. A scan of the HD part was used to create an exact 3D model. Custom Engraving Ltd is the manufacturer in Wisconsin, and we make 1,000s of derby covers