The REESE Pro Round Bar Weight Distribution System is engineered to provide more features and superior ride performance than other systems. Designed to evenly distribute weight and reduce trailer sway.• Designed to improve stability for added ride control and security• 2-5/16" hitch ball is preinstalled and torqued to proper specifications• Includes 8.5" deep drop shank for taller trucks• No-drill, clamp-on brackets fit up to 7" trailer frames• High-strength steel head and welded hitch bar• Tapered spring bars provide constant weight distribution over the axles for superior ride comfort• Fits bottom-mount couplers• Powder-coat finish for durability and corrosion resistance• Limited lifetime warrantySystem includes: head with preinstalled ball, tapered spring bars, deep drop shank, control brackets, lift-assist bar, and all hardware necessary for an easy install. SpecsReese Part Number: 49912Gross Trailer Weight: 8, 000 lbs. Tongue Weight: 800 lbs. Preinstalled 2-5/16"" hitch ball Includes 8.5"" deep drop shank for taller trucks No-drill, clamp-on brackets fit up to 7"" trailer frame | Reese Integrated Sway Control Weight Distribution Hitch, 8K