Non Friction Castors are used on flooring surfaces that are smooth and they will stop the chair from moving excessively. A great solution for wood, concrete or linoleum flooring.
Non Friction Castors – locks when seated – as titled, these castors will engage and lock when they have weight applied. Important for laboratory use where stability and little or no movement is required.
Non Friction Castors – unlocks when seated – a great option when you don’t want chairs to be moved around or used as trolleys or fun items. Stationary when not in use, then when weight is applied the chair can be moved. A great option for school type environments.
Price is for one castor