20/25/30mm Aluminum Alloy Square Pipe Connector Galvanized Iron Tube Fittings DIY Solder-free Guardrail, Tee Joint, Base
Name: Square tube connector
Material: aluminum alloy
Inner diameter: 21/25/31mm
Connection method: Internal hexagonal locking
Packaging: 1PC
Matching pipe diameter: 20/25/30 square pipe
Surface treatment: finishing
Applicable scenarios: It can be used to build storage racks, flower stands, desk brackets, build sun rooms, and is the preferred material for DIY.