Starting Blocks FUSION F10 STARTING BLOCKFUSION F10 STARTING BLOCK Gill Athletics FUSION starting blocks are built with every aspect of the sprint start in mind from foot to hip width ratio, ergonomic foot launch, four angle adjustments, built in grip transport handle, to pedal track spike seating. There are starting blocks, and then there are FUSION BLOCKS Fusion Blocks Exclusive pedals designed for a more aggressive acceleration pattern Angled spikes in base of pedals guarantee no slipping