Quality Materials: Our aluminum track starting blocks are made with tough material found in top track and field facilities. Our track blocks are perfect for athletes who want improve performance. Built for Power: This track gear is made with 8" tall cast aluminum pedals, which are ideal for practicing sprinting events like the 100m, 200m, and 400m. Train like a pro with our track equipment. Adjustable Starting Block: Pedals adjust to 45°, 55°, 65°, 75°. Customize pedal angles for perfect block starts. Threaded channels suit all sprinters' needs for track and field training Versatile Surface Compatibility: Includes 1/2" pyramid spikes for synthetic tracks. These track and field accessories are designed for reliable traction across various track and field surfaces. Official Competition Standards: Meets NCAA and NFHS specifications. These are ideal track & field starting blocks for athletes training for competition, block starts, and sprinting events.