1.5" x 1.5" rails provide mega support Made in the USA with recycled railroad steel Permanently attached Lev-R-Lock locking system Does not require nuts, bolts or tools to assemble Box Spring Required Adjustable Width Headboard Bracket Compatible Headboard Bracket Included Footboard Bracket Compatible Weight capacity: 2,000 lbs. Number of Legs: 6 Product Dimensions: 70 Designed by Hollywood Bed Frames, the Hollywood Bed Frames Lev-R-Lock - Bed Frame with Rollers - 6 Leg with Center Support, Black, Twin/Full/Double/Queen/King/Cal King is built for lasting quality and everyday use. Shop at OJCommerce and explore our collection with free shipping on every order.