The FT187D First Team Super Duty Double Rim Flex Breakaway Basketball Rim is a durable, rugged basketball rim designed to attach to most front mount basketball backboards with a 4'' x 5'' or 5'' x 5'' bolt pattern. The internal flex springs protect the backboard and basketball rim from damaged that can be caushed from dunking and hanging. This rim features a classic orange color, a durable powdercoat finish to protect against rusting, a high quality basketball net, and all the hardware necessary for installation. - Super duty double rim flex goal, - Great for highly aggressive playground use, - Double 5/8" solid steel rings, - Continuous net-locks, - Dual return springs, - Totally enclosed mechanism, - Mounts to most standard backboards, - Durable powdercoat finish, - Net and mounting hardware included, - 3-Year Superior Warranty,