TEKTON 2985 Jewelers Precision Screwdriver Set, 6-Piece Hardened carbon steel shafts with black oxide finish Chrome plated alloy steel handles with non-slip knurled grips Free-turning end cap allows constant finger pressure while driving Set Includes: (4) Flat: 1.4mm, 2mm, 2.4mm, 3mm; (2) Phillips: #0-1, #1-2