Feature●Durable Metal Construction●Holds 9 12" Softballs●Perfect Accessory For Heater Softball Pitching Machine (Machine Sold Separately) - Plugs Directly Into Machine●Drops Ball Every 9 SecondsDescription Turn your Heater 12" Softball Machine in to an Automatic Pitching Machine with the Heater Softball Ballfeeder Accessory. Machine sold separately.