This is a kid size training basketball rim, a 12-inch basketball court rim, compatible with 2-3 meters mobile basketball hoop, screw holes 180*45mm, and the largest M8 expansion screw, suitable for children's backboards. MULTI-SCENE APPLICATION-This product is equipped with Screw and expansion screws, which can be installed on a solid wall, or tied to a column or tree. If you want to practice playing, anywhere can become your training ground. HIGH QUALITY BASKETBALL HOOP-The product is sprayed with outdoor weather-resistant powder coating, which is rust-resistant, sun-resistant, cold-resistant and water-resistant. FIX REPLACE NOTIC-Please make sure it fits the bolt pattern on your backboard if you want to mount it on other backboards BASKETBALL RIM PART LIST-16mm diameter steel basketball hoop, 12' diameter, welded joints of fine workmanship, strong and durable.