its sizes from 1/2" to 4" are available. specification reference: UL 797 EMT Tubing (Standard) Size Outside Diametre*Wall Thickness*Length 1/2" 17.93mm*1.07mm*3.05m 3/4" 23.42mm*1.24mm*3.05m 1" 29.54mm*1.45mm*3.05m 1-1/4" 38.40mm*1.60mm*3.05m 1-1/2" 44.20mm*1.65mm*3.05m 2" 55.80mm*1.65mm*3.05m 2-1/2" 73.03mm*1.83mm*3.05m 3" 88.90mm*1.83mm*3.05m 3-1/2" 101.60mm*2.11mm*3.05m 4" 114.30mm*2.11mm*3.05m EMT Tubing (Thinner Wall) Size Outside Diametre*Wall Thickness*Length 1/2" 17.93mm*0.85mm*3.05m 3/4" 23.42mm*1.00mm*3.05m 1" 29.54mm*1.10mm*3.05m 1-1/4" 38.40mm*1.30mm*3.05m 1-1/2" 44.20mm*1.30mm*3.05m 2" 55.80mm*1.40mm*3.05m we can also produce as you need. email: lihui at msn: lihui534 at