Jeep Wrangler 4K 4 Point Sway Control Reciever Hitch with Shank Equal i zer Weight Distribution System w 4 Point Sway Control 16,000 Equal i zer Weight Distribution System w 4 Point Sway Control 16,000 Equal i zer Weight Distribution System w 4 Point Sway Control 16,000 Equal i zer Weight Distribution System w 4 Point Sway Control 16,000. The Original Equal i zer Sway Control Hitch is Superior Performance. The secret to Equal i zer hitch's superior performance is the continuous resistance of integrated 4 point sway control. Equal i zer hitch offers a unique two in one design that combines weight distribution with sway control in one easy to use unit. Equal i zer Hitch is 100% American Made.