Description: This kit includes 12 kinds of small screws and nutsfor watches, glasses, electronics or anything else repair that requires small screws. There are total 600 pcs and well packed and assorted in a plastic box, which is very convenient for you to take out screws you need. Specifications: Material: Stainless steel Box Size: 8 x 1cm / 3.15 x 0.39 Weight: 64g(approx.) Content: M1.2nut 50pcs M1.4nut 50pcs M1 3.6 50PCS M1.2 3.6 50PCS M1.4 2.4 50PCS M1.4 2.6 50PCS M1.4 2.8 50PCS M1.4 3.0 50PCS M1.4 4.0 50PCS M1.4 4.5 50PCS M1.4 1.6 50PCS M1.6 4.5 50PCS Package Includes: 1 Box x Screws Nuts Assortment Kit(600pcs)