ITEM NAME:7PCS HSS M3-M4-M5-M6-M8-M10-M12 Machine Hand Screw Tap Plug New Thread Metr X3M3 description: 100% new high quality Cutting drill bits, professional set Color as shown Material: High Speed Steel Size:M3-M4-M5-M6-M8-M10-M12 Uses:Ideal for auto repair and machinery where metric threads are specified Package included: 7 pcs x plug tap set.Cutting drill bits, professional set. Material: High Speed Steel. 100% new high quality.