Specialist 2 IM Rod, Non-Sterile and associated Surgical Techniques: || Sigma HP Instruments Classic Surgical Technique,0612-89-510 || Sigma HP Instruments Balanced Surgical Technique, 0612-88-510 || Sigma HP Instruments Fixed Reference Surgical Technique, 0612-87-510 || PFC Sigma Knee Systems Primary Cruciate-Retaining & Cruciate-Substituting Procedure Surgical Technique,SP2-007 || Product Usage: || The SP2 IM Rod is used in both primary and revision Sigma knee procedures to align the femoral locating device and distal femoral cutting block. It is also used with the IM tibial resection. This rod is included in both the SP2 and HP instrument kits.