Lippert 335852 Straptek Weight Tension Technology Kit Straptek brackets replace standard snap-up chains in existing weight distribution hitch systems for an easier and safer towing experience. Each kit comes with two Straptek brackets and polyester straps. Polyester straps made of automotive trucking strap material 1-1/8" ratchet set not included Works with every weight distribution hitch system on the market except for E-qual-izer systems.