Features and Benefits:•Dual drive wheels•Dual idler wheels•AC inverter driven Self-aligning•Conventional style with rubber drive wheels•220V 3-phase pipe welding positioner11 ton capacity (RWP-110) rotary welding positioner. Perfect for welding, polishing, glue-lining, and assemblingPerfect for welding, polishing, glue-lining, and assembling11 ton capacity (RWP-110) rotary welding positioner. Perfect for welding, polishing, glue-lining, and assembling