Dowel Drill Centre Points Pin Wood 6mm/8mm/10mm/12mm Dowel Tenon Center Dowel Centre Point Woodworking Centering Point Drilling Material: A3 Steel Surface treatment: chromeplate Diameter of cylindrical portion: 6mm, 8mm, 10mm, 12mm Chrome plated so as not to mark wood For accurate alignment of drill holes when dowel-pinning joinery. Connects dowel to block, then cover the dower by another block. The pointed head align with the another block that need combine with dowel so that print out round imprinted. Using drill bit to align with the round imprinted to make two blocks join perfectly. Note: Please allow 2-3mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same Product use: Two connecting plates are positioned corresponding to the center position of the drilling hole of the board, and used as a bracket Steps for usage: 1. After the raft is connected to the wooden block, the dome dome-tip is covered on the raft 2. The pointed tip of the head is aligned with another piece of wood that is to be combined 3. There is a mark on the other piece of wood. 4. Drill the round head with a drill bit, then combine the two pieces of wood without any misalignment.