Ideal for Omega, IWC, Rolex, Bvlgari, RM, Bulova and AP Watches. V Slot: 0.90 and 2.35mm; Single Slot: 1.50 and 3mm 3 Slot: 1, 1.10 & 1.25mm; Phillips Slot: 1.35, 1.50 & 2mm 4 Square Slot: 2.30, 2.35, 2.60 and 2.70mm 5 Slot: 2.30 & 2.70mm; Hex Slot: 1.25, 1.50 & 1.70mm