Brand new ( Size: Include 4 pcs( 2 rotating with brakes + 2 rotating without brake), caster size: 200 x 50 mm/8'' x 2''( (D x T)), caster diameter: 200 mm/8'', top plate size: 114 x 100 mm/4.5'' x 4''. Total loading capacity: 3000lbs/1400kg Steel Construction: 8 Inch caster is constructed with thickened steel bracket. Sturdy construction to support heave item. It is abrasion resistance, deformation prevention, shock absorption and long-lasting in everyday usage Smooth and Silent: Heavy duty caster is wrapped around Polyurethane, and double ball bearing designed, which runs smoothly and sliently. Ideal for flooring tile, concrete pavement and all types of flooring, and no damage to the floor Brake Systems: The caster wheels has two 360° swivel wheels with brake, which can stop at any time. That makes it run easily and safy to staff on moving heave furniture. 360° swivel wheels achieve more flexible movement at work Wide Application: Our industrial casters are multi-functional, widely us