0.6mm – 1.5mm. The individual screwdrivers are colour coded and each comes complete with a reversible blade. This set contains seven screwdrivers sizes 0.6mm , 0.7mm , 0.8mm , 1.0mm , 1.2mm , 1.3mm & 1.5mm all supplied in a handy storage wallet. The item “WATCHMAKERS / JEWELLERS SCREWDRIVER SET OF 7 WITH REVERSIBLE BLADES WATCH REPAIR” is in sale since Tuesday, January 21, 2014. This item is in the category “Jewellery & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Tools & Repair Kits”. The seller is “jewellery-trade-resources” and is located in LONDON. This item can be shipped worldwide.