Upgrade your diesel engine maintenance toolkit with this 6-piece socket wrench set. It features 12pt 1/2 in. Dr L-Type sockets in sizes 12mm, 14mm, 16mm, 17mm, 18mm and 19mm. The special design allows it to work in confined spaces such as fuel injector connections. With a 1/2 in. drive, it can be used with any 1/2 in. drive ratchets, bars, or extensions. This set is suitable for dismantling injector lines on most diesel engines, making it a must-have for mechanics and DIY enthusiasts. Whether you're working on a small diesel car or a large industrial diesel engine, this wrench set will provide the efficiency and versatility you need to get the job done right.