– A set of sockets and bits for 9.5 mm square (3/8 “sq).- Compatible with most sizes used for bicycles. – A 25.4mm (1 “) size box that can be used with long bits for ultra torque, FR series, and BBT series tools is also included. – Please use it in combination with your existing ratchet wrench or TW series torque wrench.*Specification – Hex wrench (3/4/5/6/8/10 mm) – Hex wrench (long bit) (5 / 6mm) – Torx type wrench (long bit) (T25 / T30 / T40) – Box wrench (8/9/10/13/14/15 / 25.4mm)