Sterling Silver .041" Threaded Earring Back - Pack of 6 Engraving Blocks 000 RPM (for short intervals

000 RPM (for short intervals only)

uniform scalloped edge profile

deep-draw vacuum pump

Nickel-plated handles for a secure

Sterling Silver .041" Threaded Earring Back - Pack of 6 Engraving Blocks 000 RPM (for short intervalsKeep earring sets secure with these sterling silver threaded earring backs from WR Cobb. Designed to fit a standard . 041" (1. 04mm) diameter post, these clutch style backs feature a threaded mechanism for a reliable, adjustable hold. With a 5. 75mm outside diameter, they provide a comfortable fit and confident support for a wide range of earring styles. Sold in a pack of 6, they are well suited for bench production, repair work, or retail resale.