FEATURES: Cutting drill bits, professional set Ideal for auto repair and machinery where metric threads are specified SPECIFICATION: Material: Bearing Steel Taps And Dies Sizes : M3*0.5,M4*0.7,M5*0.8,M6*1.0,M8*1.25,M10*1.5,M12*1.75 Application : For Metal and Wood Thread-Making(Stainless Steel is not applicable) PACKAGE INCLUDING : 1 x 8PCS M3/M4/M5/M6/M8/M10/M12 Metric High Speed Steel Thread-Making Taps and Dies Set for Plastic Metal and Woodworking