1- Package Content:Hex head jackscrews*20、Flat head Screws*20、Screwdriver*1 | 2-different sizes of M.2 SSD fixing copper posts, screws can be applied to most motherboard models. | 3-screws are suitable for M.2 SSD installation of laptops and adapter cards. | 4-App lication: Perfect for laptop notebook m.2 nvme, applied in electronics, personal computers, PC board, DIY, etc. Supports NGFF PCIe NVMe M.2 SSD , perfectly fit for Samsung 850 EVO, 860 EVO, 960 EVO, 970 EVO, 950 PRO, 960 PRO, 970PRO, etc.