Replacement for Mercedes Benz Security Master Locking Wheel Nut Key 303 Anti-theft Screw Socket Wrench Tool<br> NOTE: PLEASE MATCH IMAGE TO YOUR LOCKING NUT.<br> Features:<br> A Wheel locking key is a security device designed to prevent your wheels from being stolen.<br> It wouldn't be such a great security device if all cars had the same locking key.<br> Your car could have one of hundreds of locking keys installed so it is important that you check the pictures match the locking nut on your car before purchasing.<br> Specifications:<br> Color: Silver<br> Material: Steel<br> Package size: 3.7 * 2.8 * 2.8cm<br> Pacakge weight: 105g<br> Package List:<br> 1 * Anti-theft Screw Socket Wrench<br> Product Use Advice:<br> Please lubricate locking nut before using this tool.<br> Not to be used with impact gun.<br> Tighten to correct torque for vehicle (Usually 110-120Nm - Check Manufacturers Recommendation).<br> Not to be used with "overtightened" locking nuts (Nuts barely feel tight at correct torque).<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store