Features 1、The set includes 9 kinds of screw,flat gasket,spring washer,nut and installation wrench. 2、Made of well selected 304 stainless steel of good rust and corrosion resistant ability. 3、The combination set is idea for DIY,quick and convenient. 4、Rugged,durable and have long service life,applicable to many kinds of works. 5、They are integrated in a box,portable and convenient to access and store. Specification Features: The set includes 9 kinds of screw,flat gasket,spring washer,nut and installation wrench. Made of well selected 304 stainless steel of good rust and corrosion resistant ability. The combination set is idea for DIY,quick and convenient. Rugged,durable and have long service life,applicable to many kinds of works. They are integrated in a box,portable and convenient to access and store. Specification: Item Type:Socket Head Cap Screw Material:304 Stainless Steel Package List: 160PCS M2.5 Flat Washer 160PCS M2.5 Spring Washer 160PCS M2.5 Nut 2PCS M2.5 Mounting Wrench 20PCS M2.5x4 Screw 20PCS M2.5x5 Screw 20PCS M2.5x6 Screw 20PCS M2.5x8 Screw 20PCS M2.5x10 Screw 20PCS M2.5x12 Screw 20PCS M2.5x16 Screw 20PCS M2.5x18 Screw 20PCS M2.5x20 Screw Package List