TDU-RB30NT - Standard Turbo Blade for General Purpose. Size: 4 X .080 X 7/8-5/8 , NARROW W/ COOLING HOLE. Ideal for cutting concrete, roofing tile, stone. Compatible with Angle Grinder, Circular Saw, High Speed Saw, Table Saw. Suitable for dry / wet use. Segment height: 10MM (.394").