Prime-Line N 6724 Pocket Door Roller Assembly with Four Wheel Product Description This pocket door roller features four nylon constructed wheels. They come affixed to an adjustable spring loaded steel bracket. This assembly is for use on pocket doors 1 - 1-3/4 in. thick up to 100 lbs. each. From the Manufacturer This pocket door roller features four nylon constructed wheels. They come affixed to an adjustable spring loaded steel bracket. This assembly is for use on pocket doors 1 - 1-3/4 in. thick up to 100 lbs each. Features Used on Kenna frame pocket doors and a variety of other pocket doors Used on 1 in. to 1-3/4 in. thick doors Features 23/32 in. diameter convex rollers Stamped steel construction with a nylon roller Maximum weight rating is 100 lbs All the necessary mounting hardware is included for a quick and easy installation USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.