All you need is a universal pulley that rotates freely and offers strong load-bearing capacity. Main Features: - Effective and labor-saving: Attach the universal wheel to the bottom of a box to easily move heavy items. - Suitable for moving, cleaning, and use with various types of storage and packing boxes. - 360-degree free rotation: Spherical design allows smooth movement in any direction. - Silent operation during use. - Ideal for cosmetic storage, kitchen, desktop, bedroom, bathroom, living room, and lower shelf storage. - High load-bearing capacity: Roller frame made of high-quality ABS material—durable, wear-resistant, and long-lasting. - Effortlessly moves heavy objects without strain. Specifications: - Product name: Universal wheel - Dimensions: 4.5 cm × 2.8 cm × 1.4 cm - Main materials: ABS + 304 stainless steel - Weight: Approximately 30 g - Easy installation: Apply adhesive and attach to the bottom of the box; allow 24 hours for full adhesion before use. Package Includes: - 4 × Universal wheels