• Professional heavy bag spring designed specifically for heavy bags up to 250lb
• Cushions heavy bag movement to prevent wear and tear on your heavy bag and mounting surface
• Industrial-strength steel construction provides consistent performance for years to come
• Closed end loops add safety by ensuring that bag, spring and mount stay connected
• Ideal for commercial gyms with heavy usage
• Spring measures 6.0" x 1.6"
• Includes quick link screwlock carabiner