The Anderson Hitches Weight Distribution Hitch is a smooth, silent, and simple weight distribution hitch for bumper pull trailers. Andersen doesn't just raise the bar, but eliminates the need for sway bars entirely. The design of the Andersen Weight Distribution Hitch eliminates sway and bounce in your trailer, using interconnected motion-dampening chains and a sway-control ball housing system.•Grease-free system ball turns with trailer•Easy installation â no leverage bars needed•Sway-control automatically adjusts to load•Patented shock absorbers prevent bouncing•Weighs less than 60 lbsSpecificationsTrailer Weight Capacity: 16, 000 Lbs. Tongue Weight Capacity: 1, 600 Lbs. Drop Hitch Size: 4 Receiver Size: 3 Frame Size: 3-6 TallHitch Ball: 2-5/16 Warranty: 1-Year (Lifetime on Friction Core)Andersen No-Sway Weight Distribution Hitch # 3394.3/3350.3 Bolt-on frame brackets Motion-dampening chains prevent sway & bounce Auto-adjust sway control | Andersen 16K No-Sway Weight Distribution Hitch, 3 Shank, 2-5/16 Ball, 4 Drop