ITEM NAME:Square End 6mm Cutting Diameter 6 Flutes HSS Hand Reamer Milling Cutter C5R4 Square End 6mm Cutting Diameter 6 Flutes HSS Hand Reamer Milling Cutter C5R4 Product Name : Hand Reamer Material : HSS Flute Number : 6 Total Length : 95mm/ 3.7";Color : Dark Brown 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. Cutting Diameter : 6mm/ 0.2";Cutting Depth : 45mm/ 1.7";Shank Diameter : 6mm/ 0.2" Square End : 5 x 5mm/ 0.1" x 0.1"(L*W);Neck Size : 5 x 10mm/ 0.1" x 0.3"(D*T) Weight : 17g; Package Content : 1 x Hand Reamer Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.