Straight thread reducer fitting with ¼" NPT Male on one side and 1/8" NPT Female on the other. Can be used with copper, brass, aluminum, or steel tubing. Guarantee to provide reliable connection for high pressure air applications. A high quality fitting manufactured to the highest standards made of premium brass construction for maximum strength and durability. ¼" NPT Male to 1/8" NPT Female Brass Thread Reducer Fitting Brass Durable Material