Comparison : Item # D415662340, Solid Carbide Straight Flute/Straight Shank Chucking Reamer, Letter Sizes (USA)
Item # D415662380, Solid Carbide Straight Flute/Straight Shank Chucking Reamer, Letter Sizes (USA)
Item # D415662420, Solid Carbide Straight Flute/Straight Shank Chucking Reamer, Letter Sizes (USA)
Item # D415662460, Solid Carbide Straight Flute/Straight Shank Chucking Reamer, Letter Sizes (USA)
Item # D415651016, Solid Carbide Straight Flute/Straight Shank Chucking Reamer, Letter Sizes (USA)