The CURT ATV tow ball / lawn tractor hitch ball is the ideal solution for towing with your four wheeler， UTV or lawnmower. It is built with high-strength steel， covered in a durable finish， tested for tough jobs and engineered to offer an industry-standard fit. CURT ATV tow balls and lawn tractor hitch balls allow you to turn your all-terrain vehicle or tractor into a useful work machine. Each ball is constructed from hot-forged steel， giving it reliable strength for the trail or yardwork ahead.FeaturesFits ATVs， UTVs or lawn tractors with 5/8" ball holeFits 1-7/8" couplers and accepts up to 2，000 lbs. GTWConstructed from high-strength， hot-forged steelEnhanced durability with chrome-plated finishFine threading for superior holding strengthTested for safety to meet U.S. VESC V-5 specificationsLimited lifetime warranty (one-year finish， one-year parts)SpecificationsIncludes one trailer ballThe mounting platform must be at least 3/8" thick， and the hole size must not be more than 1/16" larger in diameter than the threaded shank