The item is a set of 9pcs professional and practical flat slotted screw drivers in different sizes, which are mainly made of durable hard steel material, and perfect for repairing watch, changing batteries and screwing the clamp eyeglass frames, etc. Besides, each screwdriver is equipped with a spare for replacement. With comfortable-to-grip handle and easy to use, it is really a wonderful precision screwdrivers kit for choice. Color: as shown in the pictures. Material: durable hard steel and aluminum alloy. 9 different sizes: 0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm, 2.0mm, 2.5mm. and Precision Flat Slotted Screw Driver Screwdrivers Watchmaker Repair Tools. 9pcs standard flat slotted screwdrivers in different colors, for convenient to identify and select the appropriate screw driver to use. for repairing watch, eyeglass frames and other electronic products. Each screwdriver comes with a spare for replacement. Come with a revolving base for holding those screwdrivers.