Triathlon MIS 4:1 Cutting Blocks - Size 1-8; || Catalog Numbers: 6541-5-701, 6541-5-702, 6541-5-703, 6541-5-704, 6541-5-705, 6541-5-706, 6541-5-707, & 6541-5-708; || Triathlon MIS Instruments; || Non Sterile: || Howmedica Osteonics Corp. || 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.