Size: #1; Material: High Speed Steel; Finish: Uncoated (Bright); Flute Length: 1-1/2"; Overall Length: 6"; Shank Type: Round; Flute Type: Straight; Style: Chucking HSS, Chucking Reamer, Straight Shank, Size 1, Dec Equiv .2280, O.A.L. 6, Flute Length 1-1/2