30 x 30 x 1,5 mm square tube up to 2200mm sawn to size, 10,57 €
30X30 square tube insert end Arched semi circle half round end blanking pole pipe cap chair feet pads cover folding shelf bed|bed feet|bed shelfbed round - AliExpress
30x30 square feet adjustable feet pad plastic chair bed table blank tube insert end floor screw on furniture|screw screw|screw insertscrew t - AliExpress