Lifting Crane Single Track Travelling Crane I-beam Pulley Walking Skidder 500KG electric sports car Specification model 0.5T (with switch) Applicable to I-beam 10-22 I-beam track width 68-110mm Matching motor model PA200/300/400/500/600 (not included) 1T electric sports car Specification model 1T (with switch) Applicable to I-beam 10-22 I-beam track width 68-110mm Matched with motor model PA800/1000 (not included)