IMPORTANT NOTICE : Holiday Announcement
Please be informed that Prometheus Hobby will be closed for a public holiday from May 23, 2026, to June 1, 2026.
Our online store remains open, and you can continue to place your orders during this time.
All orders received during the holiday period will be processed and shipped in the order they were received, starting on June 1, 2026.
Thank you for your understanding and patience.
The Prometheus Hobby Team
Ring Mandrel 16.5mm
This mandrel is specifically
designed for making glass rings, big hole beads and napkin holders. It is made
of stainless steel and can stand very high temperatures. The diameter of the
ring tube is 16.5mm, lenght of the ring tube is 3,5cm, the leght of the mandrel
is 29.5 cm.
