Get a firm hold on 3/8 (9.52 mm) to 1 1/4" (31.75 mm)-inch diameter pipe with the Model 1017 Telescoping Basin Wrench. The extendable shank allows you to easily adjust the wrench length from 10 (254 mm) to 17-inches (431.8 mm) for hard-to-reach applications, like under the sink.