The Great Neck® Precision Screwdriver Set is ideal for detailed work. Featuring heat-treated and tempered, high-carbon steel tips and shanks as well as ribbed, polished steel handles, these screwdrivers are meant to withstand the rigors of repeated use. Use them for electronics work, eyeglass repair, musical instrument adjustments and more. To ensure neat and easy storage and convenient carrying, the included storage case provides a labeled, snap-in slot for each precision screwdriver in the set. Six-Piece Set. Screwdrivers and Nut Drivers Tool Type: Screwdriver Set; Tip/Socket Type(s): Phillips; Slotted; Tip/Socket Size(s): 0.8 mm; 1.2 mm; 1.8 mm; 3 mm; #0; #1; Overall Length: Assorted.