Feature●4 FT - 1/2" Diameter x .050 Wall Aluminum Tubing 6063 Alloy T-6 Temper Clear Anodized●MADE IN USA●Randall Manufacturing Co,. Inc part number 4 FT M-232●.50" outer diameter, .40" inner diameterDescription 4 FT - 1/2" Diameter x .050 Wall Aluminum Tubing 6063 Alloy T-6 Temper Clear Anodized