One piece brass. Use with plastic tubing or rubber hose. Intended for use with hose clamp or crimp type ferrule. 32 to 200 deg F temperature range. Barbed edges provide positive connection. Excellent vibration resistance. Barb size is hose ID. 1/2" Hose I.D. x 3/4" Male Pipe Thread
3/8 G30 Chain Foot $4.29