The new Axiom Pro HD design features a sturdier chain rack, deeper cage, and stronger base constructed with thick 8mm wire compared to the Pro’s 6mm wire. The Pro HD also sports our powder coating and double chain tiered design with 24 high visibility zinc coated heavy duty course weighted chains, 12 outer, 12 inner chains with equidistant orientation for zero weak pockets. The Pro HD fits standard PDGA height and size regulations and assembles in under 1 minute.