10Pcs Aluminium Tubular Inline Straight Pipe Joints 53mm Length Product Name : Aluminum Tube Connector;Material : Aluminum Inner Diameter : 5mm/ 0.20";Overall Size : 53 x 8mm/2.1" x 0.32" (L*D) Main Color : Silver Tone Weight : 44g Package Content : 10 x Aluminum Tube Connector