Westin PRO TRAXX 4 Oval Step Nerf Bars Polished Stainless Steel For Super Cab Model 21-21310 RSSPM132ADW40 This 7-way round connector is

This 7-way round connector is a female-end socket

3500 Model 575098-571632

If you must have the Toolbox sitting at bed rail height this is the option

600 lb Model 77534

Westin PRO TRAXX 4 Oval Step Nerf Bars Polished Stainless Steel For Super Cab Model 21-21310 RSSPM132ADW40 This 7-way round connector isWestin Westin PRO TRAXX 4 Oval Nerf Bars Polished Stainless Steel For Super Cab Model 21 21310 Westins Pro Traxx 4 Oval Nerf Step Bars feature a 4in. oval tube with a heavy duty step pad that provides a wider and more secure step area. They feature 30 factory style bends that have seamless domed ends so there are no end caps or exposed bolt heads. Applications are bolt on installation. Constructed of 4", 5" or 6" oval tubing with 4" wide injection