Upgrade your furniture and equipment with this set of 12 vidaXL swivel casters. Designed for a variety of applications, including workbenches, trolleys, coffee tables, plant stands, bookshelves, and shopping carts, these casters offer smooth and quiet mobility. Crafted from durable TPR (thermoplastic rubber), they provide excellent shock and vibration resistance while effectively protecting your floors from scratches. The zinc-coated iron frame ensures rust resistance and enhanced sturdiness, with each caster supporting up to 35 kg. Product summary: 12 swivel casters, 50 mm diameter, TPR and zinc-coated iron construction, floor protection, rust-resistant, 35 kg load capacity per caster.