A comprehensive 600-piece screw set designed for repairing watches, eyeglasses, sunglasses, and other precision devices. Ideal for watchmakers, opticians, and DIY repairers, this assortment ensures you always have the right screw or nut on hand for quick fixes and adjustments. Main Features 600 assorted screws and nuts for watches, sunglasses & electronics. Made from durable, rust-resistant steel. Perfect for small precision repairs. Includes organized storage box for easy identification. Suitable for professional or home use. Specifications Material: Stainless steel Quantity: 600 pieces Applications: Watches, glasses, sunglasses, and small devices Storage: Transparent compartmentalized case included