The power speed sled is made of automotive grade heavy duty steel, strong and durable, not easily damaged. The red powder coating provides excellent grip, enhances your training and keeps your sled looking new long after use..Dimension: 20"x15" x10" overall size. Leash length: 10 ft. Item Weight: 9 Pounds. Max capacity: 100 Lbs..Excellent LOAD-bearing PERFORMANCE: It IS suitable FOR APPROXIMATELY 12 inches in diameter of the Olympic plates, of course, can be smaller. You can overlay the Olympic plates as needed, as long as it is under 8 inches, it can bear..The power speed fitness sled train you for speed and strength. It works by putting a weight on the sled and asking you to drag it, to impede your movement. Practical and beautiful for you sports enthusiasts..Excellent for adding speed training to your workout whether it be for aerobics, football, soccer, tennis, etc. The power sled adjustable shoulder harness for maximum security during workouts. Training Sled designed to be used on most surfaces. Grass, Snow, Sand, and all sports turf. Also available for gym, plastic track.