CURT Universal 5th Wheel Rails are industry-standard, meaning the attachment points for the 5th wheel hitch are standardized to accept any hitch with industry-standard legs. This includes virtually all CURT 5th wheels and many competitor models. CURT 5th Wheel Rails are constructed from high-strength steel and tested according to SAE J2638 specs. They are designed to pair with CURT custom under-bed brackets to provide a solid foundation to mount your 5th wheel hitch (custom brackets sold separately).This set of industry-standard 5th wheel base rails is rated to 25, 000 lbs. GTW and comes with a highly rust-resistant finish of co-cured liquid A-coat and durable carbide black powder coat.• Provides a solid mounting point for a 5th wheel hitch• Industry-standard mounting point to accept most 5th wheel hitches• Protected by a highly durable carbide powder coat finish• Co-cured in a rust-resistant liquid A-coatNOTES: Includes mounting bolts, two base rails, and four universal brackets. Designed to pair with CURT custom under-bed brackets Rated to 25, 000 lbs. GTW Includes mounting bolts, two base rails, & four universal brackets | Curt 16200 Universal 5th Wheel Base Rails, 25K in Black