Drill Center for Dowel and Tenon 6mm/8mm/10mm/12mm I.D. Woodworking Doweling Tool 4Sets

Specifications: Product Name: Dowel Center Material: Steel Surface Treatment: Chrome Plated Diameter: 6mm (1/4 inch)/8mm (1/3 inch)/10mm (2/5 inch)/12mm (1/2 inch) Total Size: 11.5mm x 10mm 12mm x 11.6mm 12.5mm x 14mm 14mm x 16mm (L * Max. Diameter) Package Contents: 4 Sets x Dowel Centers How to Use: 1) Drill holes on the first block. 2) Place the matching-diameter dowel centers into the holes. 3) Joint the second block onto the dowel centers use a hammer to knock on the block. 4) The cusp of the dowel center will leave a mark on the second block. 5) Drill holes on the center of the mark on the second block. 6) Plug the round tenon into the holes to connect two blocks without any misplacing.