80mm Square Plastic End Cap – Motorhome Towbar & A Frame Specialist
2 2X2 Inch Square Plastic Plug Tubing End Cap 10 Pack, 2" 2"X 2" Black Square Tube End Cap Fence Post Pipe Cover Tubing Insert Chair Glide Finishing Plug : Amazon.co.uk: DIY
QWORK Square Plastic End Caps, Inner Plugs Square Ribbed Tube for Tables Desks Chairs Bed Furniture Foot Plug Steel Pipe Cover, 1" X 2" / 25 x 50mm,10 PCS : Amazon.co.uk: DIY