Offer HOWO, JAC, STEYR, Jiefang auto slack adjuster 1 excellent quality 2 timely shipment 3 various kinds Manual slack adjuster for truvcks & trailers---3 holesOur good products are covering most of your demand models, providing best quality, most competitive prices, prompt delivery & best services!!Satisfy all your requirement is our task! Any of our inquiry or information will be highly ...