Mujingfang African Ebony Sliding T Bevel Angle Finder Woodworking Tool (FO1001)A traditional Sheffield style 230mm sliding bevel, beautifully executed in ebony and solid brass by Mujingfang. With a hot blued steel blade a traditional finish that renders it non reflective and also guards against corrosion and held in place with a finely knurled brass knob, this sliding bevel will give years of faithful service. Length 230 mm