uxcell 50 Pcs M3 x 4mm Screws Replacement Black for Laptop Hard Drive Product Name : Laptop Hard Drive Screws;Driver Head : Phillips Screw Thread Size : M3 x 4mm;Male Thread Length : 4mm Material : Metal;Color : Black Net Weight : 11g Package Content : 50(+/-2%) x Laptop Hard Drive Screws(Non-oem)