14K White Gold Finger Fit Expandable Ring Shank
Ring Component / Hinged Shank · White Gold, likely rhodium-plated for a bright silver-toned finish
Purity: 14K (58.5% pure gold), often alloyed with nickel or palladium for strength and color
Type
Ring Component / Hinged Shank
Purity
14K (58.5% pure gold), often alloyed with nickel or palladium for strength and color
Gold Type
White Gold, likely rhodium-plated for a bright silver-toned finish
Weight
2.5 to 5.0 grams (solid 14K construction)
Description
A specialized jewelry finding known as an arthritic or expandable shank. This 14K white gold ring base is designed to open up to three full sizes to pass over a large knuckle, then lock securely at the base of the finger.
Key Features
Hinged opening mechanism, safety trigger release, and heavy-duty structural build for soldering to custom ring heads
Color & Finish
Polished bright white finish; surface shows minor scratches and a slightly duller mechanical interior
Hallmarks & Stamps
Usually stamped '14K' and 'FINGER FIT' or a similar manufacturer logo on the inner flat surface
Dimensions Estimate
Standard ring diameter (approx. 16-20mm) with a width of 3-5mm; customizable for sizes 4-12
Gemstones & Inlays
None present; this is a structural component designed to be soldered to a gemstone setting or cluster
Clasp & Closure
Hinged expandable mechanism with a side-release locking safety catch
Chain & Links
Symmetrical circular band with a precision-tooled mechanical hinge and interior leaf spring
Craftsmanship Details
Precision-engineered mechanical assembly with hand-finished hinge pins and tension-tested springs
Authentication Indicators
Mechanical complexity inconsistent with cast fakes, crisp internal stamping, and color uniformity in the joints
Origin & Maker
Likely manufactured in the USA by Finger Fit or a similar specialty findings company
Era & Period
Contemporary / Late 20th Century specialized jewelry solution
Age Estimate
Circa 1990s to present day
Cultural Significance
Represents an intersection of luxury jewelry and accessibility design, preserving the ability to wear sentimental items like wedding rings despite aging
Condition Notes
Very Good; the hinge appears functional with minor surface abrasions consistent with professional handling or previous use
Value Estimate
$250 - $450 retail for the component; melt value approximately $120-$180 depending on current spot price
Care & Maintenance
Avoid heavy pressure when the hinge is open; clean in ultrasonic only if no fragile stones are attached; professional hinge inspection every 12 months
Similar Items
Superfit shanks, FingerMate shanks, or custom-built 'U-hinge' ring designs
Interesting Facts
These shanks were specifically engineered for people with arthritis, allowing them to wear jewelry that would otherwise be impossible to slide over swollen joints