Our ingeniously designed leveling wheels facilitate the effortless transportation of substantial burdens, elegantly merging functionality with ease of use. They are engineered with precision bearings and robust materials, ensure not only durability against the weight of substantial loads but also seamless maneuverability across various terrains.  Key Features Build to Last: It consists of premium nylon and steel and adopts a baking paint treatment, which is durable, rustproof and impact-resistant, so it can withstand the test of time.  Excellent Load Capacity: Premuim materials and sturdy construction allow it to carry 551 lbs on one wheel and 1102lbs on four wheels for your heavy-duty moving needs.  Thoughtful Design: It is horizontally adjustable and comes with an aligner for easy movement. In addition, it features a steel ball rotation design that allows the product to move and rotate flexibly.  Economical and Practical: With them, you can easily move heavy loads, and they can be removed and mounted on different carts for your convenience.  Easy to Use: You can move the wheels by manually loosening the knob and retracting the adjustable base, making it very easy to use.  Simple Installation: Simple construction and complete accessories make it possible to put the wheels together by yourself, which is very time-saving and convenient Details Round Corners: The smooth, burr-free edges are comfortable to touch and enhance the safety of use. Anti-slip Support Base: It is anti-slip and pressure resistant, providing you with stability.  Application It is suitable for home and outdoor use, such as various furniture, electronic equipment, testing equipment, production equipment, large equipment, communication equipment, computer stands.  Specification Model: GD-60S Material: Nylon and Steel Process: Baking Paint Color: Black and White Shape: Round Assembly Required: Yes Number of Pieces: 4 Load Capacity: 250kg/551 lbs(Single Wheel), 500kg/1102lbs(Four Wheels) Gross Weight: 2.38kg/5.25lbs Package Size: 22*16*10cm/8.66*6.3*3.94in Wheel Length: 101mm/3.98in Axle Length: 61mm/2.4in Mounting Height: 82+10mm/3.23+0.394in Base Plate Size: M12 Screw Length: 40mm/1.57in Screw Exposed to Wheel Size: 20mm/0.787in  Package Included 4* Leveling Wheels Other Accessories for Use