Trailer Hitch Ball Mount Class IV Ball Mount Class IV Ball Mount; 10000 lbs. GTW; 1 1/4 in. Ball Hole; 8 1/2 in. Length; 3/4 in. Rise; 2 in. Drop; Black; Hollow Shank; FEATURES: Class IV Ball Mount Hidden Hitch has been manufacturing a complete line of premium trailer hitches and towing accessories since 1968. Six strategically placed warehouses and sales professionals across North America, enable Hidden Hitch to provide just-in-time delivery of its towing products and industry-leading customer service. Hidden Hitch is known for its ability to be first-to-the-market in offering products to its customers, and for leading the industry in order-fill-rate. Recent new product introductions include a line of fifth wheel hitches, gooseneck-style trailer hitches and weight distribution hitches for heavier towing requirements. Hidden Hitch has always been committed to delivering products and services of the highest quality. In 1997, Hidden Hitch became the first trailer hitch manufacturer to have a quality system registered to QS 9000-1998 and ISO 9001-1994. QS 9000 is a quality system developed by the Big Three automakers. Each year we are audited to uphold these standards. Hidden Hitch is dedicated to ensuring the safety of our products. We test all of our products to exceed V-5/CSA standards in our world class test facility. In 1999 our lab became ISO/IEC SAE guide 25 accredited. It is a high-tech facility that simulates real life conditions over expected product life cycles.