Alimpia Repair Kit Nosepads 13 mm Air Chamber Screw in + Free Screwdriver Set of 5 Pairs Nosepads + 1 Screwdriver Our Repair Kit nosepads are the softest and hypoallergenic for your eyeglasses comfort Provided with screwdriver Eyeglasses reair kit helps to keep your eyeglasses or sunglasses in place and prevent them from falling down thanks to antislip effect You can easily replace them yourself L=13 mm / 0.51" W=7.5 mm / 0.3''