Pneumatic Lift Triple Swivel Caster. Demo video shows a side view and top view of the Pneumatic Caster elevating and lowering the corner of a platform. This air-lift Pneumatic Triple Swivel Caster allows even the heaviest scenery to be easily and smoothly moved into place and set down on its fixed base. An innovative air bladder design makes for even lift and eliminates the “thunk” noise associated with the typical “pancake” air caster when its piston drives into place. Workbench Casters Kit Lifting Casters - Heavy Duty 880lbs Capacity Retractable Casters Removable Wheels Set of 4 Adjustable Steel Lift Casters 3.7 out of 5 stars 34 $69.99 $ 69 . 99 ($17.50/Item)
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