Sorby 888/8 Modular Micro Tool Skew Blade, 1/4 in. A high quality high speed steel (HSS) Beading & Parting Blade for the Robert Sorby Modular Micro Tool System. Made for shaping beads, tapers, v-grooves, and straight cuts smaller spindle turnings. The working length of the blade is approximately 2-15/16". England