The Apex NeverKink 2000 5/8-inch-by-100-foot heavy-duty ultra-flexible hose is guaranteed not to kink or tangle. It features durable solid brass couplings, Microshield -- an antimicrobial protection that guards against mold and mildew -- and a Power Coil protective collar to prevent kinking at the faucet. This hose features a 5/8-inch internal diameter and is rated for use up to 360 PSI.