Description 2 Heavy-duty sliding door casters, double-layer high-precision rollers, C30 type track casters, hardware accessories 2 Heavy-duty sliding door casters, double-layer high-precision rollers, C30 type track casters, hardware accessories Description These sliding casters are made of steel and are durable. These casters have a simple structure, are easy to install, are well-made, move smoothly, and are safe and convenient to use. Product Features - Color: As shown in the picture - Material: Steel - Dimensions: 6.20 x 2.50 x 2.20 cm / 2.44 x 0.98 x 0.86 inches - Screw hole: 8 mm - Wheel outer diameter: 22 mm - These wheeled trolley casters are made of sturdy and durable steel, offering excellent durability and stability. - Thanks to its sturdy materials and ingenious design, this trolley boasts excellent load-bearing capacity. - With its simple design and straightforward structure, the casters on this wheeled trolley are very easy to install and remove. - This trolley's casters are versatile and suitable for various occasions. Whether you need to install sliding doors, wardrobe doors, or any other movable panel, this is the perfect solution for smooth and easy operation. - The double casters on this roller trolley ensure smooth and effortless door sliding. 2 x Sliding Door Casters