Hand Driver & Bit SetMade from S2 modified shock resistant steel for professional performance and durability Proprietary precision CNC machined tips for excellent fit in fastener recess Durable metal storage case Includes: 1 4" x 1 4" socket adapter, Y adapter, Quick release bit holder, Quick release screwdriver Includes Phillips bits: #1, #2, #3 Includes square bits: #1, #2, #3 Includes Torx bits: 8, 10, 15, 20, 25, 27, 30, 40 Includes Torx Tamper bits: 8, 10, 15, 20,