Manufactured from hardened and tempered Chrome Molybdenum steel with a manganese phosphate finish for resistance to corrosion. 3/8"Sq drive TRX-Star* impact socket bits with an additional locking 1/2"Sq drive quick change adaptor. Supplied in an EVA storage tray. Features & Benefits: • Manufactured from hardened and tempered Chrome Molybdenum steel with a manganese phosphate finish for resistance to corrosion. • 3/8"Sq Drive impact TRX-Star* socket bits with an additional locking 1/2"Sq drive quick change adaptor. • Contents: 3/8"Sq Drive TRX-Star* Socket Bits; T30, T40, T45, T50, T55, T60, T70, 1/2"Sq Drive Quick Change Adaptor. • Supplied in an EVA storage tray. • Lifetime guarantee*. • Model No. AK5621 Specifications: Model No AK5621 Brand: Premier Contents: 3/8"Sq Drive TRX-Star* Socket Bits; T30, T40, T45, T50, T55, T60, T70, 1/2"Sq Drive Quick Change Adaptor Nett Weight: 0.492kg