FOR DETAILED WORK: This precision screwdriver set includes a useful assortment of Phillips and slotted tips and is ideal for detailed and precision work. STORAGE CASE: It is supplied in a handy plastic storage case for easy storage and transport. SIZES: The set includes sizes 1mm, 1.2mm, 1.8mm, 2.4mm (slotted) and 3mm, 3.5mm (cross point).