The BIOLOX femoral heads is manufactures by a pre-eminent German supplier. The device comes in 28mm and 32mm diameter with 12/14 standard taper fit and short, medium and long neck lengths. Itis composed of hi-strength Chromium-Cobalt (ISO 5832-4), Stainless Steel (REX 734) and BIOLOX® Ceramic. The raw material of the metal alloy features sources from CE-approved British suppliers and are machined on state of the art CNC machines.