Hack Attack & Junior Hack Attack Pitching Machines are heavy enough to absorb recoil, ensuring accuracy, yet portable and easily moved by one person. Extra wide tripod base insures real stability and safety on mounds or playing surfaces. High tensile, tough heat-treated alloy, weather-resistant aluminmum casting throwing head, protects throwing mechanism. Rugged powder-coated rust-proof steel frame insures limitless seasons of use. The throwing wheels out-last all other machine wheels and don't melt in direct summer heat. Three powerful variable speed motors drive three indestructible concave 1/4" throwing wheels. Almost instant recovery. Also available are ball feeders, for team and solo, and coversion kits for baseball to softball. FOR MORE INFORMATION ON THIS PRODUCT, ITS ACCESSORIES AND PRICING, PLEASE CONTACT US. Additional shipping charges apply for oversized box.