Multifunction: Micro-precision screwdriver kit is made with precision technology, perfect for for watch repair, watch battery replacement, remove watch bracelet screw links, glasses repair, jewelry processing, laptop repair and other electronic product repairs. Convenient and Practical: Micro-screwdriver set has standard FLAT- and sizes, has a rotating , color-coded identification size, and rust-proof blades. Size Range: FLAT- screwdriver sizes are 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.4mm, 1.6mm. SIZES screwdriver sizes are 1.4 mm, 1.6 mm, and 8PCS spare blades are available for replacement. Magnetization and Demagnetization: Watchmaker screwdriver set is equipped with a magnetization and demagnetization device. The blade of the screwdriver can be magnetized by sliding through the center hole, and it can be demagnetized by sliding through the half hole. Convenient Storage: Our small screwdriver set is equipped with a frosted , which is convenient for storage and carrying, and prevents the blade and screwdriver from losing. Material:tool steel colour:silver Package Contents: 8 * Precision screwdriver tool 0.6-1.6mm 8 * Spare blade 1 * Magnetization and degaussing device 1 * Frosted tin box Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.