100% Original and Goo d Quality with Free After-sale Warranty . These fit all standard full sized for Wahl clippers.Round teeth will not hurt the scalp and can glide through hair quickly and efficiently for a smooth, time saving finish.Great for adding additional length and styles during your grooming, clipping, and trimming experience.Necessary tool for hair cutting and hairdressing.Colour: BlackMaterial: Plastic + MetalSize: 3/6/9/12mmPackage Contents:4 * caliper with iron sheetOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.