Spalding 50 in. Acrylic Portable Angled Pole Hercules base Basketball System SIZE: 50" x 32" steel framed acrylic backboard DESIGN: Authentic style board pad with 5/8" Pro Slam breakaway rim with steel rams/spring cover EXACTA-LIFT: Height-adjustable system from 7.5' to 10' in 6" increments ERGONOMIC: 16" offset distance from pole to edge of backboard PORTABLE: Dual wheels for easy transport