description of goods: 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. Features: 12 kinds of small screws and nuts assortment kit, M1 M1.2 M1.4 M1.6 is available. Total 600 pcs and you can use them for quite a long time. Well packed and assorted in a plastic box, don't have to worry about damage or disorder. Good assortment of screws. The box design is nice and easy to take right screw out. Great for watches, glasses, electronics or anything else repair that requires small screws. Spec: 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 &nb