ITEM NAME:10pcs M1-M3.5 Shank Hand Screw Thread Metric Plug Tap Drill Bits Tool Set Description Specification: Brand new Material: HSS (High Speed Steel) Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5 Length: approx. 35-53mm Feature: Includes 10 sizes, all work well in drilling and tapping blind holes. Straight threaded flute, ideal for hand machine where metric threads are specified. Straight 3 flutes are ground to provide rapid chip removal for efficient threading. Applicable for processing wood, metal, steel, plastics etc. High strength and hardness. Easy to use. Durable in use. Package included: 10pcs x Thread Taps Note: Please allow a little size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..Size: M1, M1.2, M1.4, M1.6, M1.7, M1.8, M2, M2.5, M3, M3.5. Includes 10 sizes, all work well in drilling and tapping blind holes. Straight 3 flutes are ground to provide rapid chip removal for efficient threading.