Slightly duller in appearance than EYE-111 (sold above), these have 3/16″ tubes.  Sold in packs of 100 for $6.00, and this price includes shipping to any USA location.
Tube length is 3/16″, outside diameter of top flange is 3/8″, inside dia. is 7/32″  Dull Brass Lacing Eyelets  EYE-104  100 for $6.00