Ernie Ball Tool Kit 4114, 13 allen wrench (for U.S. ST-style bridges, 1.27 mm for M3, 1.5 mm, for U.S. 1/16 inch, 1.6 mm, for U.S. 5/64 inch, 1.98 mm, M4, 2mm, for U.S. 3/32 inch, 2.4 mm for M5, 2.5 mm, for U.S. 7/64 inch, 2.78 mm, for Floyd Rose, 3mm, for U.S. Bullet, 3.2mm, for truss rod, 4mm, for truss rod 3/16 inch, 4.7 mm, for truss rod, 5mm, multi-function screwdriver, string winder, string cutter, ruler (metric & imperial), cleaning cloth, Ernie Ball Wonder Wipes