Quality Material: The Track Starting Block is crafted from aluminum alloy for durability and lightweight performance, supporting long term use during training and competitions. Product Dimensions: Total length is 76 cm (29.92 inches), providing a stable base that supports strong starts at the start line. Adjustable Design: Fully adjustable to fit different starting block positions for comfort and explosive starts on both sand and synthetic tracks. Versatile Use: Ideal for school athletics, professional track meets, and daily sprint training, suitable for beginners as well as advanced runners. Use scenario 1: In a school practice on a synthetic track, coaches set up the block to teach proper stance, reaction time, and starting technique for various sprint events. Use scenario 2: In club or collegiate training, athletes perform repeated max effort starts to build explosiveness and start consistency across multiple drills. Use scenario 3: Beach or sand surface training days, athletes practice starts and foot placement on variable surfaces to improve balance and transfer of power. Specifications: Material is aluminum alloy. Total length 76 cm (29.92 inches). Adjustable starting position. Compatible with sand and synthetic track surfaces. Suitable for school athletics, professional track meets, and daily sprint training.