The Grainger 1-1/4" NPT Female x 1/4" NPT Female Hose Adapter is made from brass for durability. It has a maximum pressure rating of 3000 psi and temperature rating of 250°F. This adapter allows you to connect a 1-1/4" NPT threaded pipe to a 1/4" NPT threaded hose. It can be used in hydraulic, lubrication, refrigeration, instrumentation, industrial, or mobile equipment applications. The dimensions are 2-1/2" length x 1-5/16" width. It weighs 0.19 lbs. This adapter provides a secure threaded connection between mismatched thread sizes.