• MATERIAL: Threaded casters The swivel stem is made of durable thermoplastic elastomer (TPE) and high-quality steel, the surface with chrome plating process is resistant to wear, rust and corrosion, which can last for a long time. • SIZE: The metric size of the bolt thread stem is 6mm in diameter and 15mm in height (M6×15), the mounting height is about 39.5mm, the wheel diameter is 25mm. • LOAD CAPACITY: Each wheel has a load capacity of 15kg, and the package of 4 wheels has a maximum weight capacity of 60kg, allowing you to transport heavy items. The TPE material prevents your floor from scratching and makes it quiet. • 360 DEGREE ROTATION: The 360 degree swivel casters make it easy to move and the fixed stem makes it easy to install. • PERFECT FOR: Suitable for replacing carts, kitchen cabinets, storage shelves, shopping carts; bedding, coffee tables, workbenches and other movable furniture. Product Description Why choose our casters? These threaded casters with swivel stem are different from traditional rubber wheels, which are made of durable thermoplastic elastomer (TPE). TPE material is more flexible and durable, which can prevent your wooden floor from getting scratches. It is important that our wheels can move smoothly and remain quiet during use. Specification: Material: TPE and steel Threaded bolt size: 6 × 15 mm (Dia. × H) Wheel diameter: 25 mm Mounting height: 39.5 mm Total load capacity: 60 kg Package included: 4×25 mm Furniture Casters with Stem