Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: Product material:High-carbon steel(HCS)Color:SilverandGraySize:50 X 20mm or 2 x 0.8in(Largest Dia x Length)Metric Specification:6mm 10mm 13mm 16mmBritish Specification:1 or 4,5 or 16,3 or 8,1 or 2in1 or 4: Shank Diameter 10mm, it can take the wood diameter 6mm, length 22mm wood can be taken within5 or 16: Shank Diameter 10mm, it can take the wood diameter 10mm, 23mm long can take the wood inside3 or 8: Shank Diameter 10mm, it can take the wood diameter 13mm, length 25mm wood can be taken within1 or 2: Shank Diameter 10mm, it can take the wood diameter 16mm, 26mm long can take the wood insideWeight:108gFeature:Carbon steel is durable.Precision production, smooth surface.A great tool for any amateur wood worker or professional carpenterNotice: The speed not too fast, otherwise Wood will produce smoke blackened,etc.Package include:1 x One Set of 4 Wood Plug Hole Cutter Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.