Rugged Strength and Durability: Hex bits made of drop-forged S2 steel withstand demanding tasks and reduce fastener wear. Premium Materials: S2 alloy steel hex bits and heat-treated chrome vanadium steel sockets ensure exceptional strength and longevity. CNC Machined Drill Bits: Dimensionally accurate with chamfered ends for smooth insertion and reduced wear. Articulated Storage Box: Features dedicated slots, clear size markings, and a protective foam pad for easy transport and organization. Versatile Set: Suitable for various applications, including car, bicycle, and motorcycle repairs, as well as general maintenance tasks. The hex bits are made of drop-forged S2 steel, providing exceptional strength and reducing wear on fasteners. The sockets are constructed with heat-treated premium chrome vanadium steel for higher torque and excellent durability. The CNC machined drill bits ensure dimensional accuracy, while the chamfered ends allow for smooth insertion and reduced wear. The set comes in an articulated storage box with clear size markings and a protective foam pad for easy transport and organization. Suitable for a wide range of applications, this set is ideal for automotive repairs, bicycle maintenance, and more. Package Includes: 1/4" Dr.: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 5.5mm, 6mm 1/16, 5/64in, 3/32in, 1/8in, 5/32in, 3/16in, 7/32in, 1/4in 3/8" Dr.: 7mm, 8mm, 9mm, 10mm, 12mm 9/32in, 5/16in, 3/8in, 7/16in, 1/2in 1/2" Dr.: 14mm, 15mm, 17mm, 19mm 9/16in, 5/8in, 11/16in, 3/4in 2 x Adapter: 3/8", 1/2"