28 Screwdriver Set Watch Optical Euro Tool Screw Link 4 Screwdrivers with tips that measure approximately 0.58 mm 4 Screwdrivers with tips that measure approximately 0.73 mm 4 Screwdrivers with tips that measure approximately 0.78 mm 4 Screwdrivers with tips that measure approximately 0.88 mm 4 Screwdrivers with tips that measure approximately 0.95 mm