Hardened steel screwdriver bits. Includes: 1" slotted bit tips in #6, #8, and #10 sizes, Square recess bit tips in #1 and #3 sizes, along with three of the most-needed #2 size, 2" Phillips power bit, 2" square recess power bit, 1/4 and 5/16" nutdrivers, magnetic bit tip holder and industrial grade case to keep bits organized.