Smooth Cutting: The dowel making jig features a rounded carbide insert for a smoother cutting experience. The blunt rotary blades are as sharp as new, with a blade block that can be rotated 4 times. 8 Rotating Holes: The dowel making jig features 8 rotating holes of different diameters. Loosen the screw and rotate the red holder to the desired diameter, tighten the screw and you are ready to from. Long Service Life: The dowel making jig is made of excellent aluminum alloy for long service life. The excellent material gives you an excellent user experience and makes your work more comfortable. Auxiliary Tool: The dowel making jig is an auxiliary tool that can be used in combination with other woodworking tools, such as lathes and routers. It provides woodworkers with an additional tool to create accurate and consistent dowels and makes it easier to create round wooden rods. Tool: The dowel making jig is an essential tool for woodworkers to easily create perfectly sized and shaped dowels. The jig is designed specifically to create round wooden rods and dowels of consistent size and shape.