MPBS Industries offers total 7 lug carts and dollies. The 6 tiers stainless steel lug dolly without handle is same with aluminum 6 tier lug dolly without handle; except the meat lug and duly dolly size. The difference between aluminum lug dolly and aluminum 2 tier lug dolly is that the 2 tier lug dolly offers two totes dolly. The lug dolly with handle holds a single lug and is designed for use under standard floor grinders and it could carry 75lbs. the two tiers lug dolly with handle holds both aluminum and plastic lugs and is designed for double duty in busy mead departments. Please feel free to contact our professional sales and service staff to answer any questions you have.