These cut-off risers measure 1/2 inch by 6 inches and can be cut to any desired length. These sprinkler risers are made of durable polyethylene with a convenient molded design. They are easy to install for connection of in ground sprinkler system pipes to irrigation sprinkler heads. The Orbit 38510 sprinkler risers are easy to cut and easy to use for optimal yard and garden watering. Features and Benefits: Come in a pack of 10 Measure ? inch by 6 inches Have different cut-off points ideal for cutting to a desired length Connect pipes to sprinkler heads Made of molded polyethylene for durability Not for use under continuous pressure.