General description High-quality dowel centers are made of steel for excellent marking performance on solid materials. They can be used for both hardwood and softwood applications. These dowel centers allow you to align dowel holes in drilled pieces to accurately mark the drill location in the connecting material. Technical specifications Material: A3 steel Surface finish: Chrome plating Type: Solid, hollow (optional) Available sizes: 6 mm, 8 mm, 10 mm, 13 mm (each size contains 2 dowel centers) Usage To use, simply drill a set of holes, insert the dowel centers, and press the joint together. The points on the dowel centers will accurately mark the locations of the holes on the other member.