characteristic: The 0-90 hole position can be adjusted freely, and the inclined hole positioning can be adjusted easily, and it can be adjusted up and down according to the thickness of the plate handle. Take the center hole at two points and fasten the board with two screws at the bottom to easily take the center point for hole punching. Clear scale adjustment is convenient for arc scale adjustment angle, and vertical scale adjustment is suitable for plate thickness. Hand-screwed nuts do not need to be adjusted anytime and anywhere with tools. Multi-specification drill sleeve includes M6/M8/M10/M12, which is wear-resistant, rust-proof and durable. describe Name: Woodworking Punching Locator Material: aluminum alloy Color: red+black+silver Quantity: 1 set Package Contents: 1 x Woodworking Punching Locator 1 x M6 drill sleeve 1 x M8 drill sleeve 1 x M10 drill sleeve 1 x M12 drill sleeve 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.