6 flutes, straight shank, high speed steel. 
Straight flute reamers is used in general-purpose reaming applications in ferrous metals and most nonferrous metals. 
The reamers is precision ground with straight flutes to produce smooth,
accurate holes while delivering long tool life. 
Product Name: Hand Reamer 
Material: HSS 
Flute Number: 6 
Cutting Diameter: Optional 
Shank Diameter: Optional 
Qty: Optional