Details: *100% brand new and high quality*Machined with external marking points, used for accurately aligning stock for proper dowel or tenon placement*Dowel centers made of steel so you can use this for hard wood as well as soft wood*Solid dowel centers and hollow ones and you can choose the ones you need*Just drill one set of holes, slip in the dowel centers and press the joint together*The points on the dowel centers precisely mark the hole locations on the other member*Color: Silver (As Pictures Show)*Material: A3 *Surface Finishing: Chrome plating*Size: 8PCS solid: 6mm, 8mm, 10mm, 12mm (Approx.), 2pcs for each size8PCS hollow: 6mm, 8mm, 10mm, 12mm (Approx.), 2pcs for each sizeUse steps:1. After the wood tenon is connected with the wood block, the round wood tenon tip is covered with the wood tenon2. Align the tip of the head with another wood block to be tenoned3. In this way, there is a mark of round head on the other wood block4. Use a drill to drill the mark round head, and then two pieces of wood are perfectly combined without dislocation and tenonPackage Contents:16*Dowel Centers(8*Solid+8*Hollow)Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.