Features Brand new metric HSS right hand thread tap. Standard metric thread design, clear and tidy, provide rapid chip removal for efficient threading Good used condition with some light rust from use and age Taps is the most important tool for manufacturing operator to thread processing. Material: HSS. Suit for machine use to cuts a thread on the inside surface of a hole, creating a female surface which functions like a nut. Pattern: M2.5*0.45mm. A taper tap offer a very gradual cutting action and is most often used when the material to be tapped is difficult to work (e.g., alloy steel). Features: Brand new metric HSS right hand thread tapGood used condition with some light rust from use and age.Taps is the most important tool for manufacturing operator to thread processingMaterial: HSSPattern: M2.5*0.45mm Package included:  1 x metric Taper Note: 1.Please allow 1-3mm error due to manual measurement pls make sure you do not mind before you bid 2.The colors may have different as the difference display,pls understand Package List