Bondhus fold up tool has maximum strength Protanium steel construction: High Torque Steel that's 25% stronger than the competition. Corrosion resistant black Proguard finish creates crystalline structure that doesn't allow water to penetrate. Precision tip eliminates cut off burr problems. The rotation feature: 90º stop feature converts the tool into a non-stop, time-saving spin wrench. Space age composite handle stronger than steel. Lightweight ergonomic design handle is not temperature sensitive when working in extreme hot and cold conditions with bare hands. Turn and Flip feature: means not having to disengage the tool from the fastener when working up against walls or other obstructions. Tool isolating flutes and adjustable key tension. Bondhus' lifetime warranty.