characteristicExcellent material is made of aluminum alloy, which is durable.Positioning scale, clear and clear.Use range of 17-60mm boardDrill sleeves have various specifications of 6/8/10mm, each with 3 sets, aluminum alloy positioning pin of 6/8/10mm, which is convenient to use.describeName: Woodworking Punching Locator SetMaterial: aluminum alloyColor: blue+silverQuantity: 1 setThread design of adjusting handlePackage Contents:1 x Woodworking Punching Locator Set (specific accessories are shown in the figure)Only the above package content, other products are not included.Note: Light reflection 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.