General description Screwed tailpiece with 1/2" BSPT thread and 1/2" bore, ideal for workshop, engineering, and agricultural use. This product is suitable for use with any air tool and is sold as a pack of two, manufactured in the UK. Technical specifications Thread type: 1/2" BSPT Bore size: 1/2" Airflow rate: 100 psi (7 bar): 43 cfm (1218 L/min)