‘–> Jewellers Screwdriver Set 16pce 16pce Overview Hardened and tempered steel blades. Hexagonal swivel heads. Includes: Phillips PH1-1, PH1-2, PH0 and PH0-2; slotted 1.0, 1.4, 2.0, 2.4, 3.0 and 3.8mm, Hex 1.5, 2.0, and 2.5mm; nut drivers 3.0, 4.0 and 5.0mm.