Heavy DutyRotating 360 Degrees and loading up to 440 lbs(1.5inch)/660lbs(2inch) for per metal chair caster. Premium & Durable MaterialStop damaging your expensive hard wood floors. This roller blade style wheels are encased with soft polyurethane material, safe for low pile carpet or other non-sensitive flooring. Super Quiet&Smooth The vibration reducing polyurethane wheels will provide smooth and silent rolling while causing no squeaky sounds or noise. The precision ball bearing in the antique casters movement nice and smooth; Does not leave any marks or scratches in your floor. Multi-purposeSwivel casters wheels commonly used with small removable plate, those swivel ball casters perfect for office chairs, sofas, ottoman, coffee table, plant stands, shoe bins, toy bins and other small furniture. Different Set Available4pcs 1.5-inch(40mm) with brake/4pcs 1.5-inch(40mm) no brake/ 4pcs 2-inch(50mm) with brake/4pcs 2-inch(50mm) no brake. Different pack of size and brake, provides you more choices for your need. Product PROTECT HARDWOOD FLOORS: Don't worry our ball casters to leaving scratches on your expensive hardwood floor. jianyana furniture wheel casters will help to protect it without chair mat. WHAT THEY USED FOR: They are classic chair casters, mostly using for wooden chair, also wheels for cart, small sofas, bench, ottoman etc. Put these ball casters rollers on, make your furniture chair looks perfect and glide convient. RETRO ANTIQUE BRASS FINISH: Antique gold color, swivel chair casters wheels for furniture are rolling smoothly on any floor, easy to install and 360 degree rotation. They need 16 screws for you to fix the furniture wheels into your wooden chair. It would be awesome if you like DIY, such a good experience. Made your chair could move anywhere and be more convenient for your life. 2inch ball caster: 1.5inch ball caster: Weight Capacity: Max.30Kg/66Lb*4. Weight Capacity(Single): Max.20Kg/44Lb Overall Height: 2.48"(63mm) Overall Height: 2 inch (50mm) Wheel Diameter: 50mm / 2-inch Wheel Diameter: 40mm / 1.5 inch Mounting Height: 63mm / 2.48-inch Mounting Height: 2.1 inch / 54mm Top Plate Size: 38 x 38mm / 1.5-inch x 1.5-inch(L*W) Top Plate Size: 1.5 inch x 1.5 inch / 38 x 38mm(L*W) Mounting Hole Center Distance: 27 x 27mm / 1-inch x 1-inch(L*W) Mounting Hole Center Distance: 1 inch x 1 inch / 27 x 27mm (L*W) Package Content: Package Content: 2-Inch, Brake Ball casters wheels set of 4 1.5-Inch , Brake Ball casters wheels set of 4 Product PROTECT HARDWOOD FLOORS: Don't worry our ball casters to leaving scratches on your expensive hardwood floor. jianyana furniture wheel casters will help to protect it without chair mat. WHAT THEY USED FOR: They are classic chair casters, mostly using for wooden chair, also wheels for cart, small sofas, bench, ottoman etc. Put these ball casters rollers on, make your furniture chair looks perfect and glide convient. RETRO ANTIQUE BRASS FINISH: Antique gold color, swivel chair casters wheels for furniture are rolling smoothly on any floor, easy to install and 360 degree rotation. They need 16 screws for you to fix the furniture wheels into your wooden chair. It would be awesome if you like DIY, such a good experience. Made your chair could move anywhere and be more convenient for your life. 2inch ball caster: 1.5inch ball caster: Weight Capacity: Max.30Kg/66Lb*4. Weight Capacity(Single): Max.20Kg/44Lb Overall Height: 2.48"(63mm) Overall Height: 2 inch (50mm) Wheel Diameter: 50mm / 2-inch Wheel Diameter: 40mm / 1.5 inch Mounting Height: 63mm / 2.48-inch Mounting Height: 2.1 inch / 54mm Top Plate Size: 38 x 38mm / 1.5-inch x 1.5-inch(L*W) Top Plate Size: 1.5 inch x 1.5 inch / 38 x 38mm(L*W) Mounting Hole Center Distance: 27 x 27mm / 1-inch x 1-inch(L*W) Mounting Hole Center Distance: 1 inch x 1 inch / 27 x 27mm (L*W) Package Content: Package Content: 2-Inch, Brake Ball casters wheels set of 4 1.5-Inch , Brake Ball casters wheels set of 4