About these items2-in-1 design allows quick conversion between a stable step stool and a cushioned rolling seat, making it a versatile choice for garages and workshops. Note: the cushioned rolling seat is not intended for standing use.All three rolling seats support up to 300 lbs, thanks to a heavy-duty carbon steel frame and reinforced screw connections. Their sturdy construction helps maintain balance and shape during long-term use.Each model includes integrated storage such as built-in tool trays, screwdriver holders, drawers, or can holders-perfect for organizing tools and keeping your workspace clutter-free and efficient.Equipped with 360° omni-directional ball-bearing casters featuring anti-loosening nuts, these mechanic stools provide smooth and flexible movement across various surfaces without risk of instability.Cushion materials vary across models: from detachable PP and TPR cushions for kneeling or back support to pearl cotton seats covered in PU synthetic leather. All cushions are waterproof and oil-resistant for easy cleaning.Key DifferencesXF8W218 features a 2-in-1 design that functions as a rolling seat or a step stool, with a cushioned PU seat made of soft pearl cotton. It does not support standing on the seat.XF8309 offers a detachable plastic cushion made from PP and TPR rubber, which can be used as a backrest or kneeling pad. It includes a built-in tool tray and screwdriver holder.XF8307 includes two drawers and two can holders, offering the largest storage capacity. The cushion is pearl cotton with PU leather, and it is detachable for multi-purpose use.SpecificationsXF8W218Item Model Number: XF8W218Net Weight: 17.0 lbs / 7.7 kgDimensions: 16.5 x 14.2 x 17.3 in / 420 x 360 x 440 mmXF8309Item Model Number: XF8309Net Weight: 13.7 lbs / 6.23 kgDimensions: 17.3 x 10.6 x 13.8 in / 440 x 270 x 350 mmXF8307Item Model Number: XF8307Net Weight: 14.3 lbs / 6.5 kgDimensions: 15.7 x 11.8 x 16.5 in / 400 x 300 x 420 mmPackage ContentsXF8W2181 x Repair Seat5 x Threaded Swivel Casters1 x Set of Screws4 x Cap Nuts2 x Lock Nuts4 x Flat Pads M84 x Flat Pads M61 x Allen Wrench1 x Open-End Wrench1 x User ManualXF83091 x Repair Seat4 x Threaded Swivel Casters4 x Flat Washers4 x Spring Washers19 x Half-Round Head Hex Socket Screws19 x Hex Nuts with Anti-Loose Function4 x Cap Nuts1 x Hex Key1 x Open-End Wrench 10 mm1 x Open-End Wrench 13 mm1 x User ManualXF83071 x Repair Seat4 x Threaded Swivel Casters25 x Half-Round Head Hex Socket Screws25 x Lock Nuts4 x Flat Washers4 x Spring Washers4 x Cap Nuts1 x Hex Key1 x Open-End Wrench 10 mm1 x Open-End Wrench 13 mm1 x User ManualCarbon Steel