Ring & Bracelet Sizing

Durston Tools’ PrecisionFit™ Marked Hardened Steel Ring Mandrel, providing US ring sizing from 1-16. Our PrecisionFit™ technology is the most accurate ring sizing system in the World, guaranteed to provide a perfect sizing between mandrels and rings.

The PrecisionFit™ USA Showroom Boxed Ring Sizing Set from Durston Tools. The Set comes complete with a PrecisionFit™ Aluminium Ring Mandrel marked with USA Half Sizes 1-16, 47 individually marked finger gauge rings engraved with half sizes for easy reference and is set in a leather showroom display case. The finger gauges have rounded inside surfaces, and all have 5mm width. Our PrecisionFit™ technology is the most accurate ring sizing system in the World, guaranteed to provide a perfect sizing between mandrels and rings.

he PrecisionFit™ 32 Ring Set (1-16) of steel rings perfectly fits and accompanies our PrecisionFit™ aluminium and steel ring mandrels. Our PrecisionFit™ technology is the most accurate ring sizing system in the World, guaranteed to provide a perfect sizing between mandrels and rings.

Durston Tools’ PrecisionFit™ Marked Aluminium & Steel Ring Mandrel & matching 32 Ring Set, providing UK sizing from A-Z, 1-6. Our PrecisionFit™ technology is the most accurate ring sizing system in the World, guaranteed to provide a perfect sizing between mandrels and rings.

The PrecisionFit™ USA Showroom Boxed Ring Sizing Set from Durston Tools. The Set comes complete with a PrecisionFit™ Aluminium Ring Mandrel marked with USA Half Sizes 1-36, 71 individually marked finger gauge rings engraved with half sizes for easy reference and is set in a leather showroom display case. The finger gauges have rounded inside surfaces, and all have 5mm width. Our PrecisionFit™ technology is the most accurate ring sizing system in the World, guaranteed to provide a perfect sizing between mandrels and rings.