10m Heavy Duty pressure washer hose ( single braided Wire) Suitable for power washers up to 4350 psi Single Brained Heavy Duty pressure hose one side to lance is 5/16" male quick connector, one side to pump is 5/16" female quick connector For Models: All petrol and diesel pressure washers. PSI (Pounds per Square Inch) refers to the amount of cleaning pressure that the unit can produce, this hose is suitable for up to 4350psi. The steel-braided hose is covered with a clear, bendable plastic casing. Professionals love these hoses because they offer the flexibility of rubber without the marring. High-pressure hoses are meant to withstand immensely powerful pressure over long periods of time. If your hose isnt holding up anymore, you need to replace the hose, and not attempt to repair it. It may seem tempting to try and fix it yourself, but no amount of water sealant or duct tape will ever be enough to beat out the original integrity of your hose material.