Easy to install: 4 solid brass casters. Screw installation, better fixing effect, convenient and quick, can be installed in a short time. 25mm, total height: 60mm, threaded rod diameter: 6mm, threaded rod height: 27mm, the casters can bear 150kg. The threaded casters are made of pure copper, and the threaded rod is made of galvanized iron. High hardness, exquisite workmanship, strong and durable. Features: Precision-engineered solid brass casters, quiet and wear-resistant, smooth rolling, 360-degree rotation, good stability, rubber wheel sleeves can protect the floor. Multi-function: suitable for piano legs, sofas, European-style furniture, retro furniture, etc. It is an ideal choice for DIY hardware and furniture, adding a retro touch to your home furniture, full of classic colors and elegant flavor.