YUNTENG VCT-800 Studio Photography Light Stand Rollers 3Pcs Tripod Caster Wheels 1. Durable Construction:Made of metal, PVC and ABS, these caster wheels offer a sturdy and long-lasting structure suitable for professional studio use. 2. Smooth Rotation:Equipped with soft bearings, these wheels provide effortless and fluid movement, enhancing studio mobility for C-stands and arm supports. 3. Locking Mechanism:Features a locking system to ensure stability and safety during stationary setups. 4. Non-Slip Design:The rubber base offers perfect grip, preventing unwanted movement during use. 5. Universal Compatibility:Designed to fit light stands with tube diameters less than 25mm, making them versatile for various photography equipment. 6. Silent Operation:Noise-reducing and shock-absorbing design ensures quiet movement, ideal for studio environments. Specifications: 1. Model: VCT-800 2. Material: Metal + ABS + PVC 3. Weight: 0.35KG (per wheel) 4. Dimensions: 28mm x 70mm x 50mm 5. Compatibility: Light stands with tube diameter less than 25mm 6. Type: Silent shock-absorbing casters