ITEM NAME:High Speed Steel 3/4"-53/64" Cutting Dia Adjustable Hand Operated Reamer D1V8 High Speed Steel 3/4"-53/64" Cutting Dia Adjustable Hand Operated Reamer D1V8 Product Name : Adjustable Hand Reamer;Material : HSS Flute Number : 6;Cutting Hole Size : 19mm-21mm/ 3/4"-53/64" Flute Length : 63mm/ 2.4";Square End Size : 9 x 9mm/ 0.3" x 0.3"(L*W) Total Size : 180 x 19mm/ 7" x 0.7"(L*Max.D);Color : Black Weight : 217g; 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. Package Content : 1 x Adjustable 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.