The Difference

Specifications:

• Green Spring (Lil Rookie): 15 – 35 lbs (Great for young athletes, introducing technique, rehab, punching)
• White Spring (Rookie): 35 – 70 lbs (Great for Junior High and High School Athletes)
• Grey Spring (Challenger): 70 – 105 lbs (Great for High School, College, and Professional Athletes)
• Black Spring (Champion): 105 – 150 lbs (Great for College and Professional Athletes)

Features:

• Constructed from 3/16th A36 steel, with electroless nickel plated inner tube for smooth and durable operation
• Powder-coated and weather-resistant for both indoor and outdoor use
• Includes square plastic inserts for attachment to 2″, 3″, 4″, or 5″ square or rectangle beams (Round inserts sold separately)
• Strike Pad made of extruded polyethylene XLT foam for high impact absorption, with Naugahyde vinyl exterior for durability in all weather
• Springs can be easily switched and replaced for different tension levels
• Springs are powder-coated for added durability