Premium Material: Electronic repair screwdriver set is made of high carbon steel. Not only hard, but also can be used for a long time. MULTIFUNCTIONAL: This miniature jewelry screwdriver set is suitable for glasses repair, watch repair, watch battery replacement, watchband removal, removal of various Micro-turnbuckles, and repair of other electronic products. Humanized handle design, just turn the handle cover and press down to easily operate the screwdriver EASY TO USE: Our mini jewelry screwdriver set is effortless and convenient to use; [Easy to Identify Size]13 screwdrivers in different colors, allowing you to easily identify and choose the right screwdriver., Weight: 0.70327461578 Pounds, Manufacturer: Ynusgeyx