The product you've described is a versatile, heavy-duty adjustable appliance stand, often referred to as a "Universal Mobile Base" or "Appliance Roller." It is designed to lift and mobilize large household items like washing machines, refrigerators, and dryers.1

Here are the key features and benefits of this type of stand:

Key Features and SpecificationsFeatureDetailBenefitSwivel WheelsFeatures $4 \times 2$ (8) rubber swivel wheels, plus additional 8 fixed feet. This is a hybrid design combining mobility and stability.Mobility: The wheels allow you to easily roll the appliance for cleaning behind it or adjusting its position.Lockable WheelsThe rubber wheels are equipped with a lock or brake mechanism (often button-style).Stability: Locks the stand firmly in place when the appliance is in use (especially crucial for washing machines during the spin cycle) to prevent movement.Adjustable SizeThe base is typically built with stainless steel poles and sturdy corner pieces, allowing both the length and width to be adjusted (telescopic design).Versatility: Fits a wide range of appliance sizes, from compact mini-fridges to full-size washing machines and dryers.Eight Fixed FeetIn addition to the wheels, the stand includes 8 sturdy, non-slip feet (often with rubber or suction cups).Enhanced Stability & Anti-Vibration: The feet absorb shock, reduce vibration, and prevent slippage, which is vital for reducing noise during a washing machine's operation.MaterialUsually constructed from a combination of stainless steel tubes and durable plastic/PP corner panels.Load Capacity & Durability: Provides a high weight capacity (often up to 300-400 kg / 660-880 lbs) to safely support heavy appliances.ColorGray (as specified)Matches the common color schemes of many modern appliances.Main Purpose and Benefits

• Easy Cleaning: Allows you to effortlessly slide the appliance away from the wall to clean the floor underneath, preventing mold and dust buildup.2

• Anti-Moisture/Ventilation: Raises the appliance off the floor, preventing water damage and rust, and ensuring the bottom remains ventilated.3

• Reduced Noise: The combination of feet and robust construction helps dampen vibration and noise from the machine.4

• Leveling: Provides a simple way to slightly raise and level an appliance on an uneven floor.