Series 140 Truck, Holds 9 1 4 in to 10 1 2 in Cylinders, 10 in Solid Rubber, Ball Bearing Wheels ORS NASCO Powerful aluminum WhisperJet® silencer nozzle Solid Powerful aluminum WhisperJet® silencer nozzle Solid conical tip prevents blockage of nozzle Features ergonomic Excellent value for the professional that needs a tough medium and large cylinders Deluxe Models have refinements and features such as handle bars with hand grips for better control and stability when moving the loaded unit Welded on tool boxes are standard on all three sizes of trucks in this series Hose hooks and welding rod holder tubes provide greater utility Handles small