Collector Ring Assembly 506-31 for Abell-Howe® Heavy Duty Style B Floor CranesCOLLECTOR RING ASSEMBLY FOR Abell-Howe® HEAVY DUTY STYLE B FLOOR CRANES Provide power required when rotation exceeds 360 degrees. Keeps wires from twisting or snagging. Fits Heavy Duty Style B Floor Cranes only. Product Specifications ASSEMBLYUnassembled BRANDAbell-Howe DESCRIPTIONCollector Ring Assembly for Heavy Duty Style B Floor Cranes LIMITED WARRANTY1 Year MANUFACTURERS PART NUMBER506-31 MODEL747470 WEIGHT LBS20