Description: 100% Brand New Engine Case Cover Screw. Made of high quality CNC aluminum,durable. Fitment: for KTM DUKE 390cc. A perfect replacement for your old or broken one. Easy to install, no installation instruction. Specification: Material: CNC Aluminum Alloy Screw Cap Diameter: 25 mm / 0.98 inch Bolt Diameter: 15 mm / 0.59 inch Package Includes: 1 Piece Engine Case Cover Screw Note: Please ensure this part fits for your bike before order