Description: 【Wide Application】: Suitable for tightening screws in various fields such as bicycles, furniture, mechanical equipment etc., making it a versatile toolset. 【Material】Allen Wrench is Made of steel, which provides hardness, high strength and toughness. With chrome plating and sandblasting finish for anti rust and wear resistant. 【】Wrench L Shaped Long Arm Repairing Tool, machined and chamfered hexagonal ends provide a snug fit and smooth insertion into fasteners, and protect your hardware from rounding. 【Long Arm Short Arm】 Allen Wrench offers range on a end and extra leverage on the other. Easy and efficient. 【Function】Hex Key is used To remove and install adapter cap screws found in towel bar, door handle, assembling furniture, equipment etc. Specification: Material: Steel Size Chart: Across Flats Distance:0.8cm/0.31inch Short side x Long side: 3.2cmx7.7cm/1.26inchx3.03inch 4cmx9.1cm/1.57inchx3.58inch 3.8cmx10.2cm/1.50inchx4.02inch Package Includes: 10x Hex Wrenches Note: Please allow slightly errors 1-2cm differences due to manual measurement.