Triathlon AR 4:1 Cutting Blocks - Size 1-8; || Catalog Numbers: 6541-0-701, 6541-0-702, 6541-0-703, 6541-0-704, 6541-0-705, 6541-0-706, 6541-0-707, & 6541-0-708; || Triathlon MIS Instruments; || Non Sterile || Stryker Orthopaedics || 325 Corporate Drive || Mahwah, NJ 07430 || The Triathlon AR 4:1 Cutting Blocks and the Triathlon MIS 4:1 Cutting Blocks are used to prepare the Femur (bone cuts) for the Triathlon femoral component.