True Size Ring Mandrels — Otto Frei

True Size Ring Mandrels — Otto Frei

Ring Sizers & Stretchers — Otto Frei

Ring Sizers & Stretchers — Otto Frei

Mandrels — Page 4 — Otto Frei

Mandrels — Page 2 — Otto Frei

Ikohe Jewelry Tools — Page 3 — Otto Frei

Sold in packs of 63/32 Diameter Shank, Straight Threaded with Nut, Made in Germany, Popular for use with Cratex rubberized abrasives

Pack of 6-Straight Threaded Mandrel with Nut-3/32 Diameter Shank-Nickle Plated Steel

Ring Sizers & Stretchers — Otto Frei

Ring Sizers & Stretchers — Otto Frei

Ikohe Jewelry Tools — Page 3 — Otto Frei

Mandrels — Otto Frei

Mandrels — Otto Frei

Mandrels — Otto Frei