The Mountain 31-pc Screwdriver Set, No. MTN1831, features tools made from chrome vanadium with soft grip handles and magnetic tips. The set contains both sockets and bits in the most common sizes, including three slotted screwdrivers (1/4” by 6”, 3/16” by 4” and 5/32” by 4”), three Phillips screwdrivers (No. 2 by 4”, No. 1 by 4” and No. 0 by 3”), one bit holder with a handle, a 31/32” adapter for the 13 bits and nine sockets and a 4” magnetic bowl to store fasteners or bits while working.