MAGNETIC EXCELLENCE: Premium industrial-grade magnets feature exceptional magnetic force, ensuring outstanding drill bit retention. Utilizing gravity-pressed embedded magnets eliminates the risk of magnet detachment. INCLUDES: 13 PCS 3/8" Magnetic Impact Socket: 7mm,8mm, 9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,17mm,18mm,19mm.1 PCS 1/2"-3/8" Impact Socket Adapter, 1 PCS Magnetic Socket Organizer Rail. RADIUS CORNER DESIGN: Reduces wear and increases torque on fasteners by placing force on fastener walls rather than fastener corners. Meets or exceeds ANSI performance standards. PREMIUM CR-MO: Made of premium impact grade chrome molybdenum steel construction with black phosphate finish, offering excellent resistance to hydrogen corrosion and high temperatures. Provides the strength and flexibility to handle high torque impact tools. COMES WITH A MAGNETIC SOCKET RAIL for quick attachment and removal of sockets, saving time during projects. Its strong magnetic back allows it to attach to any metal surface or be hung on walls and hooks, offering flexible storage options for your toolbox, drawer, or garage.