Swivel Casters Solid Rubber Screw Threaded Caster Wheels Grass Green It is made of type

It is made of type 304 stainless steel for corrosion resistance

Spacer Length: 5mm(60pcs) 8mm(60pcs) 10mm(25pcs) 12mm(25pcs) 15mm(25pcs) 18mm(25pcs) 20mm(25pcs) 25mm(18pcs)

*Furniture Casters Alloy Plastic 1

here is not included

Color: Silver

Swivel Casters Solid Rubber Screw Threaded Caster Wheels Grass Green It is made of typeDescription: * Swivel Casters 1. 5 Inch Solid Rubber M8 x 15mm Screw Threaded Caster Wheels Black 10 Pcs. * Get smooth, quiet rolling and full swivel action, all while protecting your floors. * Perfect replacement for home or office chairs that have hard, noisy, rough plastic wheels. * Note: Each caster capacity is 15kg, total capacity for all 4 casters is 45kg (calculated by 3 casters ). Because when the floor is uneven, there will be only 3 casters