Made from 7075 aluminium alloy with Sandvik Nanoflex steel inserts on the front prongs Automatic binding with innovative T-stop fixing system at the front; with the adjustable strap, the crampon can be adapted to most ski mountaineering shoes with front edge Optional rear fitting, sold separately, for shoes without front edge Rear attachment with heel section with three height adjustments Micrometric length control on the bridge with double row of holes and spring, can be positioned both front and back of the heel to cover all shoe sizes