The Geepas GT61178 Long Allen Key Set is a versatile and durable tool set, ideal for professionals and DIY enthusiasts. This set includes 10 different sizes of keys, ranging from 1.5mm to 10mm, making them suitable for a wide range of tasks. Each key features a ball end that facilitates insertion into the screw head from different angles, providing greater flexibility when working in tight spaces. Made from chrome vanadium (CrV) steel with a black coating, these keys are durable and highly resistant to corrosion and rust. The long design allows for greater leverage and torque, making it easier to loosen or tighten fasteners. Specifications and Features: Material: Chrome vanadium steel (CrV) with black coating Sizes included: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 8 mm, 10 mm Design: Ball end for angled entry Application: Suitable for mechanical and automotive applications Durability: Highly resistant to corrosion and rust