20 brand new swagelok-style pneumatic fittings. These are: Hoke Gyrolok 4cm2. 1/4'' Tube x 1/8'' Male Pipe (NPT). When purchased new these are usually about $5 each. $20 for all 20.

These are the brass versions of this same items seen here:
http://www.centro-online.com/index.php?main_page=product_info&manufacturers_id=8&products_id=717

or

http://www.alchemyindustrial.com/griplok316ssmaleconnector12tubex18npt-p-16422.html