Force brand, original from Taiwan, professional tools.  
High quality star torx socket bits with/without center hole on a 1/2" drive from Force are a must-have in any professional workshop.
Made from high quality Chrome Vanadium Steel which provides high resistance against corrosion and increases strength & durability.
These torx socket bits are specifically designed to undo fasteners on screw products.
20pc set packed in a solid PVC box with EVA foam tray with following two model and sizes:

10pc - Star Socket Bit (55mmL)
346055 20...79 - T20; T25; T27; T30; T40; T45; T50; T55; T60; T70

10pc - Star/Torx Tamper Socket Bit (55mmL)
347055 20...70 - T20H; T25H; T27H; T30H; T40H; T45H; T50H; T55H; T60H; T70H