7mm stem diameter desk chair rollers

...Chair Caster Wheels are the perfect choice for chair rolling wheels, office chair rollers, furniture wheels, and swivel casters. The stem length is 25mm and the wheel diameter is available in 31mm, 38mm, and 50mm, etc. The wheel color is available in black, white, red, etc. The thread length is 20mm and the mounting plate size is 50mm X 50mm. These office chair...

...stem/Grip ring stem/Stem Wheel Black other can be customized Color of bracket Silver/Black/Gold etc Wheel Diameter 2 inch Material Plastic This is a pp material ball wheel furniture casters with top plate that can rotate 360 degree. Mainly used in many kind of furniture, like chair, desk etc. Product ...