Weight Distribution, Reinvented. Immediate and continuous friction sway prevention For Straight Trailer Coupler Setup is all done on the driver's side Load the bars by pumping the handle until desired weight is transferred to the front axle Pressure gauge to ensure a repeatable setup Unload the bars by simply twisting the needle valve knob Composite bars are lighter-weight and 5x more flexible than steel, but with similar strength Our tapered composite spring bars made with LITEFLEX? technology by Hendrickson cover 600 - 1,600 lb tongue weight Attributes: Brand Name: B&W Trailer Hitches GTIN: 00843233011500 Color: Black/Blue Finish: Powdercoat Material: Steel/Glass-Fiber Reinforced Polymer Extended Information: Country of Origin: US Emissions : CARB Eligible Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 25 x 16.5 x 7.5 inches Weight: 64 POUNDS PDF: