The garden hose in-line shut-off valve is made of solid brass. Robust metal construction for long life. Will not rust or corrode easily. It is weather resistant and, unlike plastic, it can withstand sunlight. The large ergonomic brass handle ensures comfort. The water flow can be easily adjusted. This is a great product that will help you turn your sprayer on and off with ease. Compatible with all 3/4" GHT (garden hose thread) watering devices. Suitable for extending or repairing two water pipes. Works for garden nozzles, irrigation tools, precise attachment to faucet/faucet. The shut-off valve is with large flow rate, both good for use in garden and large area, such as lawns. sports, golf courses and so on valve, double adjustable flow control, and can withstand hot water temperatureIncludes 2 shut-off valves and 2 garden hose washers. The garden hose shut-off valve is made of solid brass. Sturdy metal construction for durability. Will not rust or corrode easily. It is weatherproof and, unlike plastic, resists sunlight. The large ergonomic brass handle ensures comfort. The water flow is easy to regulate. This is a great product that allows you to easily turn your sprayer on and off. Compatible with all watering devices with 34 GHT garden hose thread. Suitable for extending or repairing two water pipes. Works with garden nozzle watering tools for precise attachment to the faucet. The shut-off valve offers a large flow rate, is suitable for use in the garden as well as for use on large areas, e.g. on sports fields, golf courses, etc., has a double adjustment flow rate and resists hot water temperature