The Complete System Includes:
Model # TP-7 Aluminum Tripod
Model # RS3 Arresting/Retrieval/Lowering Device 
Model # 51C Split Pulley

Use these numbers when ordering:
Model # CSRS3-50 with 50' of galvanized steel cable

Model # CSRS3-50S with 50' of stainless steel cable

(what's this?)