This Sealey Ball-End Hex Key Set features 9 pieces with long metric sizes. Manufactured from heat-treated and hardened Chrome Vanadium steel with a satin chrome finish, these keys offer durability and resistance to corrosion. The keys range in length from 79mm to 180mm and in size from 1.5mm to 10mm. The ball-end design allows the key to drive fixings at an angle of up to 30 degrees from the fixing's axis, providing greater access and flexibility. The set is supplied in an easy-access case with a hanging tag, ensuring safe storage and quick key selection. Contents include: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. This product also benefits from a lifetime guarantee.