Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1/4 Size-No Groove

The Durston PrecisionFit Steel Ring Mandrel is a super premium, properly hardened and expertly machined steel mandrel matched to the Durston Ring Size System and the Durston Ring Finger Gauge. Designed to work in concert with the full Durston sizing system, this mandrel helps jewelers minimize customer ring size issues at the bench—whether you are using a Durston finger gauge or another brand. With over 20,000 units in use at some of the largest jewelry operations in the United States, it is the mandrel of choice for professional jewelers who demand precision and consistency.

Graduated in US sizes 1 through 16 by 1/4-size increments, this no-groove mandrel delivers clear, accurate sizing markings across the full range. Made in the United Kingdom to exacting tolerances, it replaces part number 143.076.

Features

• Matched to the Durston Ring Size System and Durston Ring Finger Gauge for consistent, precise sizing
• Properly hardened and expertly machined steel construction
• Graduated in US sizes 1–16 in 1/4-size increments
• No groove design for a clean, unobstructed working surface
• Trusted by some of the largest jewelry operations in the United States—over 20,000 units in use
• Made in the United Kingdom
• Replaces part number 143.076

Specifications