55 Piece Computer Tool Kit is great way to maintain and repair computer systems. Uses both metric and standard measurement. Includes Fully Flexible Ratchet Driver (three-way latch); 6-piece precision screwdriver kit; two standard AA batteries; diagonal stripper; small brush; Precision Pen Knife; diagonal cutting pliers; Chip Extractor; Long Nose Pliers; 3-prong parts retriever; electric voltage tester; flashlight with clip; crimp and strip wire stripper; Spare Parts Container (with parts); 6 cable ties; antistatic/antishock wrist band; 2-in-1 combo nut sockets; 3/16'-5mm combo; 1/4'-6mm combo; 5/16'-8mm combo; 11/32'-9mm combo; 3/8'-10mm combo; Phillips bits (0, 2); Torx driver bits (T8, T10, T15, T20, T27); 2 hollow Torx driver bits (T10H, T15H); Adapter bit for ratchet driver; No. 1 Pozidriver bit; bit holder; slotted bits; Square bits; S0, S1, S2, S3; No. 0 and 2 Phillips bits; insulated tape (1 roll); four surface wipes. Demagnetized tools come in zippered storage case.