Most laptops use philips or torx screws. Torx screws are used very heavily on the internals. T8 is the most common size and PH0 and PH1 are the most common for philips.

What you'll need: A 2.5-inch SATA SSD (I used the Samsung 850 Evo); SATA-to-USB cable or dock; Tiny screwdriver to open your laptop; Torx head screwdriver for disassembling the hard drive ...

iFixit have announced a pair of new screwdriver sets — the Minnow and the Moray. Both are under $20, and contain the bits needed to open popular devices, from MacBooks to iPhones to Nintendo ...