About this item Oxygen-free 99.95% pure bare copper conductors 50 continuous feet of 18AWG 2-conductor speaker wire on a spool The white outer jacket is CL2 rated, making it safe for use within the walls of residential class buildings Each conductor has an individual, color-coded jacket enclosed within the outer white CL2 jacket Dimensions: 6.9 x 6.8 x 3.4 inches