The stanley 12 piece ball end hexagon allen key set is an imperial hex key set designed for professional tradespeople and engineers requiring versatile access to recessed fixings. This comprehensive set features dual ended keys with a standard hexagon end on the short arm for maximum torque application and a ball end on the long arm for accessing fasteners at angles up to 25 degrees. Each l shaped key is manufactured to deliver reliable performance across a wide range of mechanical, automotive, and assembly applications. The ball end configuration proves particularly valuable when working in confined spaces or where offset access is required, whilst the conventional hex end ensures full contact for applying higher torque without risk of fastener damage. The set includes twelve imperial sizes ranging from 1 16 inch to 3 8 inch, providing comprehensive coverage for american and imperial specification machinery and equipment. All keys are housed in a size marked plastic holder that keeps them organised and readily accessible on site or in the workshop, reducing time spent searching for the correct size. Features and benefits bull ball end design enables angled access to fasteners in restricted spaces bull standard hex end on short arm for applying maximum torque bull size marked holder keeps all twelve keys organised and protected bull comprehensive imperial size range from 1 16 to 3 8 inch specifications type imperial min. Size in 1 16 max. Size in 3 8 key type l shaped end type ball no. Keys 12