Toolant Allen Wrenches Sets 22Pcs(Metric Sae), Extra Long Arm Allen Key Set With - Color coding for size identify easily: Color coding is an effective way that facilitates differentiation of tools based on their respective sizes. - Comfortable and Secure Grip: Wrenches are made from robust rod material, ensuring exceptional durability especially for smaller sizes. The wrenches are wrapped with EVA sleeves, providing an ergonomic and comfortable grip, even in low-temperature applications. - Extended length for enhanced stability: Compared to the ASME standard, we extended length to provide a better ergonomic fit in your hand. Also give you improved access and allows for more precise screw tighten job. - Magnetic system avoids screw dropping: Patented magnetic system provides "Pull to magnetizing" and "Push to demagneitzing" experience, especially helpful in tight space application. Moreover , it is valuable to avoid debris adhension. - Alloy steel material provides high torsion strength: Wrench body is made of special alloy steel (CRV) to optimize the balance between hardness and toughness with the HRC rating of 58 to 62.