Aoneky Outdoor Replacement Breakaway Basketball Rim

This is a very heavy rim and usually only fit the largest basketball court rims, compatible with 5x5in, 5x4.5in, 5x4in, 5x3.5in, 5x3in, 4x3in mounting bolt pattern, not for kids backboard or other bolt pattern, please make sure it works with your bolt pattern(Refer to the left mounting hole dimensions image)in your backboard if you want to install it in other backboard not mentioned in this detail page. Mounting base size: 6.61''Wx6.5''H, please make sure it works with your backboard especially if your bolt pattern is 5x3.5in, 5x3in, 4x3in, it fit your bolt pattern but may not fit your backboard. 18 mm all solid steel heavy duty basketball rim. 2 compression springs for slam dunk back action. 18'' Diameter, all-Weather nylon net included