HSS Segment Saw Blade - 3 1/8" Diameter (1 1/16 cutting depth) High Speed Steel (HSS) Blade for fiberglass, carbon fiber, 20 gauge sheet metal. and harder woods. Segment to cut right angles without overcutting. This blade is flat. Availability: Usually ships the next business day Fein 63502106015 Segment E-Cut Blade fe63seflcutb