Features: *100% brand new and high quality *Made of high quality material, durable and practical to use *You will get 10 pieces blades. *Works best on steel,aluminum and plastic. *Deburring System is your best solutions for removing burrs from any type of materials or applications such as Deburring rough edges in holes, for deburring the inside break through of cross holes and also for Deburring sharp corners on external surfaces. *Processing stainless steel, aluminum, rubber, plastic, etc. *Processing position: round hole edge, straight edge, curved edge. Not outward, with smooth edges. Specifications: *Material:High Speed Steel *Color:As Pictures Show *Quantily:10pcs Package Contents: 10*Blades Note : 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.