Precise alignment: When pin joinery, provide accurate alignment of the drill holes, accurately mark the position of the pin or the position of the existing pin in the second board to be connected Four sizes:center points pins packaging box includes 4 different sizes of centering points, 6mm, 8mm, 10mm, 12mm, each size contains 3 pin center pins Rugged and durable: The woodworking alignment tool is made of metal, which is durable, rust-proof and anti-corrosion;dowel pin centre points has high hardness and is suitable for softwood and hardwood. It is Perfect for drilling wood Commonly used function:pin fixture used to locate two wood connecting holes, so that the two wood blocks are perfectly combined, usually used to accurately align the drilling holes during pin joinery Easy to use: You only need to drill some holes, insert the positioning centralizer of the center point set, and press another wooden board on the joint. The locator point will accurately mark the position of the hole on the other side colour: silver Material: metal Package Contents: 12 x dowel centering pins Only 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.