Stainless Steel Thread Stem Adjustable Furniture Glide 7.8mm Dia 4pcs It usually takes around 1-4 Weeks Time to deliver after Item has been Dispatched. Please Check the Delivery Time Before Making Purchase(s). Adjustable thread design for office or household light duty furniture with threaded sockets.Allow furniture to be moved without allowing unwanted mobility.Easy to install of it and adjustable height as your require.