"USED TO ROTATE CARRIAGE SLING FOR STAGE IV,1450012352569;17 IN. LG,HEAD AND REAR HOUSING MADE OF 356-T6 CAST ALUM.;CYLINDER AND SPINDLE MADE OF 8620L COLD FINISHED STEEL;FRONT HOUSING MADE OF C01213 COLD FINISHED STEEL;MAX OUTPUT 0.9 HP;MAX OVERHUNG LOAD AT STALL 800 LBS"