Heavy Duty 20ft. XLR mic cable made of 7mm rubber. In making the PRO20M7 Strukture selected the top-selling cables in the industry and eliminated as much packaging cost as possible without sacrificing quality. The rubber outer covering is reinforced by a state-of-the-art shrink-wrsleeve to resist separation at the termination points. Finally, they use the highest quality solder connections, which are protected by a thick ABS inner sleeve, to create a cable you can count on.