7-piece folding allen key set. -Key size: 2.5 / 3 / 4 / 5 / 6 / 8 / 10 - Key set integrated into the handle. -Made of Chrome Vanadium Steel, giving it greater hardness and durability. -Rubber-coated handle to optimize grip and comfort. -Allen wrenches with ball, which allows it to be used up to 25º angles. -Set 7 pieces. -Ideal for industrial jobs.