Rolson-20-Piece-Micro-HSS-PCB-Drill-Bit-Set-0-3-to-1-6mm-Rolson-48304-P-These-small-diameter-High-Speed-Steel-HSS-Titanium-coated-drill-bits-from-Rolson-have-straight-shanks-&-are-ideal-for-PCB-manufacture-P-P-The-specially-designed-sliding-topped-box-keeps-the-bits-securely-in-place-&-dispenses-only-one-bit-at-a-time-P-Rolson-48304-20pc-Micro-HSS-Drill-Bit-Set