Versatile track compatibility Suitable for use on both plastic and cinder tracks Two spike types included: builtin fixing spikes for plastic tracks and spikes designed for cinder tracks Enhanced stability Aluminum alloy central rail for strong, durable support Two slidein anchor plates provide secure ground stability during use Adjustable starting position Pedals height is adjustable to fit different athletes Adjustable central rail lets you quickly find and secure the starting position, regardless of height Wide applicability Smooth and secure design suitable for a range of settings Ideal for schools, training grounds, plastic tracks, cinder tracks, and grass surfaces Practical use scenarios Scenario 1: School athletics practice on a plastic track, switching between surfaces without changing equipment Scenario 2: Outdoor training on cinder or grass fields requiring stable starts for sprint drills Scenario 3: Multisurface training camps or PE programs that run sessions across plastic tracks, cinder tracks, and grass with quick setup