Production screw cap fountain in acrylic. Stainless and nickel plated trim. Available with stainless nib. Metal band on barrel is a stainless steel threaded ring that engages threads in cap. Have lots of threaded rings [approx. .437" od] and lots of clips and nuts available. Made on threaded mandrel no brass tubes. All turning done on 11" Logan metal lathe with 5c collet and custom threaded mandrel. Most work done at approx 3000rpm