【Screw Locking Design】CASIMR plant caddy is designed to lock the steel tube and panel with screw hole, which is more firmly than traditional pullable buckle, avoiding the risk that steel tube is suddenly pulled out and break the flowerpot in the process of moving. 【8 Caster Wheels for 600 Lbs Capacity】This upgraded rolling plant dolly come with 8pcs twin wheels, including 4pcs lockable casters, supports up to 600 lbs. It can perfectly fit your need, suit for moving most types of heavy pots and items,save time and effort. 【Upgraded Hardware】CASIMR rolling plant stand is made of larger ABS panel, larger section sized stainless steel tube, and heavy duty 360°swivel casters, which makes our plant dolly has 600 pounds load-bearing capacity, much higher than ordinary plastic planter bases. Non-slip grid panel can effectively prevent flowerpot slip and ensure security. Heavy duty caster is friendly for floor, marble. 【Visual Installation】Stainless steel tube is designed with 5 size holes, correspond to 5 different sizes: 15.8 in, 17.1 in, 18.1 in, 19.2 in, 20.4 in. You can visually choose the most suitable size for your big planter according to the instructions included in the package. The installation process is very easy and requires only three simple steps, takes few minutes. 【Multiple Usage】This high quality plant cart could blend well with your furniture style, placed in different places such as living room, bedroom, garden, office, balcony, entryway, corner, etc. Suitable for moving big garden pots, planters, vases, umbrella base stand, rain barrel, potted trees, Christmas tree, whiskey barrel, or trash cans outdoor indoor. CASIMR Plant Stand with Wheels, Heavy Duty Plant Caddy with 8 Twin Casters, Adjustable 15-20 Inch Indoor Outdoor Large Rolling Plant Stand Planter Cart Dolly for FlowerPot, 600lbs Capacity