ITEM NAME:Helmets Base Plate Set for K3 K4 Motocycle Helmet Accessories Description: Material: Plastic Size(Length x Width): Approx. 10 x 60mm/0.39 x2.36inch Set of 2 Replacment Parts. Plug and Play. Solid and durable. Package Includes: 2 Pieces Gear Plate 4 Screws Note: Please allow 1~3mm differs due to manual measurement. (1 inch = 25.4mm) Product color may vary slightly from what appears online due to monitor differences. SKU: DMO0018987967018252.2 Pieces Gear Plate. Product color may vary slightly from what appears online due to monitor differences. Plug and Play. Size(Length x Width): Approx.