The locator is made of Metal, and its is anodized, which is and not easy to rust. The position of two feet can be adjusted according to the thickness of the board, and the center position can be quickly found. Punching is accurate and efficient, and the maximum thickness of perforated wood board is 46 mm. It is widely used in the precise positioning of wood punching in furniture boards, with good verticality, so that the boards can be better spliced. Stainless steel 201 drill sleeve is and rust-proof, , beautiful and strong. Name: Woodworking Punching Locator Colour:black+silver Material:Metal Package Contents: 1 x Carpenter punching locator set(1 x Woodworking punching locator, 1 x 6mm drill sleeve, 1 x 8mm drill sleeve, 1 x 10mm 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.