8-inch ground steel rod, scaled in 1mm/ 1/25 inch increments for easy reference. Dovetail marker is a very handy gadget for woodworkers, it can easily mark accurate dovetails, dovetail layout quickly and accurately. Use the bevel to accurately mark soft and hard carefully prepared wood. 2 scale markings for hardwood or softwood: 1:5, 1:8, CNC machined to accuracy. Graduated imperial measurement scales are also etched on each side. Made of Stainless steel, one-piece cutting process. The wheel marker is an indispensable gadget when marking joints, with a machined body and knurled locking nut. It is a must-have value-for-money tool for beginners or experienced woodworkers, and a for woodworking enthusiasts., Manufacturer: Akfldms