Plastic end caps, plastic products for box section, pipes, tube inserts - 45x45mm Square end caps availabe in Pack of: 1 end cap, 4, 8, 12, 24, 36 and 100 end caps
10 Pack Square Tube Inserts 60mm x 60mm, Black, Box Section Caps, Tube End Caps, Square Inserts, Chair Feet : Amazon.co.uk: Business, Industry & Science
Square Plastic End Caps Blanking Plugs Box Section /Tube Inserts / Black | eBay
Trebork - Square Tube Inserts Plastic End Caps Plugs Black, Grey & White
Square Plastic End Caps Blanking Plugs Box Section /Tube Inserts / Black | eBay