OFNMY 4pcs Hex Screwdriver Tools Kit Set, An essential pick-up for RC enthusiast!</br></br> It work with almost all Drone, quadcopter and RC car, which used for disassembling Hex Screw in helicopter and RC car.</br></br></br> 1.5MM 2.0MM 2.5MM 3.0MM Hex Screw</br></br> Made from Strong steel + knurled aluminum handles</br></br> Diameter of handle: 18mm/0.7in</br></br> Total length: 175mm/6.9in</br></br> Length of handle: 90mm/3.5in</br></br></br> Package Including</br></br> 1 * 1.5mm Hex Key</br></br> 1 * 2.0mm Hex Key</br></br> 1 * 2.5mm Hex Key</br></br> 1 * 3.0mm Hex Key</br></br></br>