![RotoFasco sliding patio door hardware](/sites/wd/files/2020-01/Prod_Roto_RotoFasco_0.jpg)
Each roller on the RotoFasco Secura Sliding Patio Door Roller DR07 has a 400-pound capacity, resulting in the ability to support an 800-pound panel, according to the company. Available in steel or stainless steel, it features a threaded side adjustment with 2 1/8-inch wheels with precision bearings. The roller is also on the AAMA Verified Components List.