ITEM NAME:500Pcs/Set M2/M2.5/M3 Machine Screws Set for Laptop PC DIY Descriptio n Specification: Material grade: carbon steel Q215 Surface treatment: oxidized black Color: picture color Size: The thickness is 2mm, 2.5mm, 3mm Product Specifications: Laptop Screw Set 500pcs Product List: 500pcs Screw set High quality buy, happy buyï ¼ 500Pcs/Set M2/M2.5/M3 Machine Screws Set for Laptop PC DIY.Product Specifications: Laptop Screw Set 500pcs. 500pcs Screw set. We'd like to settle any problem in a friendly manner. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.