Stainless Steel Expanding Ring Mandrel (Medium)

Stainless steel expanding ring mandrel, medium size for ring sizes 7.5 to 10.5, with a hex wrench. Made for use in a lathe or a 1/2 inch drill chuck.
Price range: See on Amazon
What we liked
- + Stainless steel is described as withstanding sanding longer than regular steel, useful when finishing rings.
- + Expanding design with stepped sizes covers many ring styles, and a hex wrench to expand and contract it is included.
- + Short length is described as staying true while spinning, and it fits a lathe or a 1/2 inch drill chuck.
Trade-offs
- - Medium covers only ring sizes 7.5 to 10.5, so other sizes need the small or large version, sold separately.
- - Needs a lathe or drill chuck, so it is not a hand-held mandrel and costs more than a basic sizing stick.
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