Size: 18mm. These high quality, cost effective 18mm ratcheting wrenches from Tooluxe feature a fully polished chrome plated finish with ratcheting box end. Heavy duty chrome vanadium construction insures long tool life. Ratcheting box end is a 12-Point design with 0 degree offset, open end features 15 degree angle. The ratcheting box end drive gives you the ability to tighten or loosen a fastener without removing the wrench head. Ratcheting action allows the wrench to slide smoothly backward and re-position the wrench in one continuous motion. Tooluxe wrenches are made to stand up to just about any job in your home, garage or shop. We offer these high quality wrenches in the most popular sizes for auto, bike, motorcycle and home use. Save time and money with this quality wrench!