High Quality Material: Screws are Made from high quality Stainless steel. Screw Caps are Made of Soft Plastic for High Comfort. Specially Designed for repairing Eyeglasses, Sunglasses, Watches, Drones, Smartphones, Tablets, Small Electronics, Clocks, and any other device with small screws. Complete Set: Box Contains Pieces with the Size: 1.0 x 3.6, 2.0 x 1.4 x 2.4, 2.0 x 1.4 x 2.6, 2.0 x 1.4 x 2.8, 2.0 x 1.4 x 3.0, 2.0 x 1.4 x 3.2, 2.0 x 1.4 x 3.4 x 3.6, 2. 0 x 1.4 cm. x 3.8, 2.5 x 1.6 x 4.0 , 2.5 x 1.6 x 4.5, 2.5 x 1.4 x 6.0, 2.5 x 1.4 x 8.0, 1.4 nuts, 1.4 Washer, 1.4 Screwcap Also Includes: 4 in 1 Screwdriver specially Designed for Eyeglass Repair and 1x Stainless Steel Tweezer High quality product by MMOBIEL: Each part is tested before shipment. Item in Stock