Heat treated ball and socket, positive lock mechanism provides excellent rebound consistency over the life of the goal • 5/8" high tensile alloy rim is 1 1/2 times the strength of normal rim material • 1/4" continuous welded rim support • Shock absorbing auto return with approximately 15 degree total deflection • Nonadjustable factory set breakaway pressure conforms to all college and highs school standards • Simple, maintenance-free design • Backplate fits all hole patterns on 42" and 48" rectangular and fan-shaped glass backboards • Durable orange baked powder coat finish • Meets new NCAA Rule regarding rebound elasticity • Unconditional three-year replacement warranty • Includes mounting hardware & competition net. Approx.. shipping weight: 23#