[High quality] The key`Black oxide bushing can protect the drill bit from corrosion.Quick release mechanismrolling bearingmarblespush button, which can easily and quickly replace the socket.The steel structure withHigh strength provides great fit.[Wood box46-piece tools] The kit contains the following accessories: 1/4" drive: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm; 6x standard hexagon drill bit sets; 3 Pozi screwdriver holders; 3 x Phillips screwdriver sockets;hexagonal; 1x 1/4 pipe connection/handle/universal joint/extension rod/sliding rail/2 inch column[Easy to use[Use] This 46-piece screwdriver and wrench set is packaged in a box.Packaged in a blow-molded protective cover to keep moisture out.and provide portabilityfast for mobile work.Whether you're working under the hood, in a boiler room, or making the necessary adjustments to your system,At home, this equipment is always ready.[Easy operation] Built-in control button, rotary wheelratchet is quick to useuse and the steel structure to be usedHigh strength provides high torque.[Various uses] Very suitable forfor DIYers, repairers, construction workers, mechanics, but also a set of tools needed around homes, garages and workshops.for automobile mechanics or daily DIY maintenance