APlusLift 2 Post Car Lift Power Unit Model:HW 10KBP and HW 10KOH 220V 300LB (side extensions for MT2200X Size:One Set of Side Extensions Only 300LB (side extensions for MT2200X model) Arm Assembly Symmetrical Arm Assembly Combo (Symmetrical and Asymmetrical) Arm Assembly Front Arms Straight Front 3 Stage reach from 37 1 2" to 72 3 16" Straight Front 3 Stage reach from 22 7 8" to 42 5 8" Back Arms Straight Rear 3 Stage reach from 37 1 2" to 72 3 16" Straight Rear 2 Stage reach from 33 5 8" to 52 7 8" Column Steel Thickness 1 4" 13 64" Carriage Steel Thickness 1 4" 15 64" Carriage Yoke Thickness 3 4" 9 16" Arm Steel Thickness 5 16" 15 64" Base Plate Steel Thickness 13 16" 5 8" Truck Adapters (Height Extensions) Two Sets: 3" Tall and 6" Tall One Set: 4" Tall Other Parts Included 4 adjustable screw pads Warning: If you do not own our product and this part does not fit your equipment Check the APlusLift return policy for parts