The Manta Driver Kit includes iFixit's 1/4" Drive and 4mm Drive premium aluminum screwdriver handles with magnetic bit sockets, knurled grips, and swivel tops—plus 112 precision driver bits. Handle any repair or DIY project with 54 4mm and 58 1/4" precision driver bits. Enjoy a manufacturer lifetime guarantee plus easy-to-open magnetized case and built-in sorting tray.