AM Landen&reg; 3 in 1 Precision Mini Screwdriver Flat Head Nut for Cell Phones, Watches with 4 Mini Screws for Eyeglasses. This is a 3-piece accessories tool and convenience key chain comes with 3-in-1 Maintenance Screwdrivers: Flat head screwdriver Phillips screwdriver Star nut driver. Each keychain comes with 4 eyeglasses Screws as picture(2). "This unique tool will work to repair or tighten up screws on virtually all eyeglasses, sunglasses,watches and cellular phones!" Jam Closet accessories offers 2-6 days US Delivery.