Highcool ft 3/4 Inch Reduced Wall Flexible Metal Conduit, Galvanized Steel Electrical Conduit for Wiring, Cable

1.Galvanized steel, strength steel construction provides mechanical for conductors and cable 2.Widely for type flexible metal conduit 3.Smooth interior for wire easily pulling through 4.UL listed, retardant and corrosion resistant 5.Dimensions:3/4inchX25ftlength, Internal diameter:0.86inch(21mm), external diameter:1.07inch（27mm）