Heater Sports Sports Baseball Pitching Machine and Xtender 24 Batting Cage For ages 8 and up. 1-year manufacturer's warranty on parts and labor. Model: HTRBB699NBF. Made in China. Extra-strength net made with 1 in nylon netting; smaller netting allows the cage to double as a golf cage. Steel tubing side supports. Fiberglass poles assemble quickly. Six steel ground stakes; nylon support ropes. Foam pad over each support for protection. Built-in pitching machine harness. Can connect Xtender cage with other Xtender cages (not included). Dimensions: 24 ft x 12 ft x 12 ft. Throws baseballs at variable speeds up to 52 mph. Practice line drives, pop-ups, and grounders. Adjustable pitch height.