The sealey ak7191 is a professional 9 piece ball end hex key set designed for accessing hard to reach fasteners in automotive, machinery, and assembly applications. Manufactured from hardened and heat treated chrome vanadium steel with a fully polished finish, these extra long metric keys deliver the strength and durability required for demanding workshop environments. With lengths ranging from 90mm to 230mm, these extended hex keys provide superior reach into recessed areas where standard length tools cannot access. The ball end design allows angled entry up to 25 degrees, making them particularly useful for awkward bolt positions in engine bays, machinery housings, and tight assembly spaces. Each key features a colour coded anti slip coating that serves three purposes comfortable grip during extended use, enhanced control when applying torque, and fast identification of the correct size. The comprehensive metric range covers 1.5, 2, 2.5, 3, 4, 5, 6, 8, and 10mm sizes, addressing the most common fastener requirements across automotive, mechanical, and general engineering work. The set is supplied in an easy access storage case that protects the keys whilst enabling quick size selection on site. Backed by a lifetime guarantee, this professional grade tool set is ideal for mechanics, engineers, and maintenance technicians who require reliable hex keys with extended reach capabilities. Features and benefits bull ball end design allows angled access to awkward fastener positions bull extra long lengths from 90 230mm for superior reach into recessed areas bull colour coded coating for fast size identification and comfortable grip bull hardened chrome vanadium steel construction for long term durability bull easy access storage case for organised tool management specifications brand premier contents 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm length 90 230mm nett weight 0.42kg