Gold & Platinum .041" Threaded Monster 9mm Earring Backs Engraving Blocks The nine interchangeable insert shapes

The nine interchangeable insert shapes replicate the function of planishing

Analog dial controls — simple and intuitive

Material Red Brass Diameter 4" Quantity 2 covers per set Compatible Kiln Ultra-Lite Kiln Application Keum-Boo firing Bonding Temperature Range 500–700°F What's Included

Consult safe metalsmithing practices when working with molten metal and ingot molds

NSK Nakanishi micromotors are renowned for their outstanding quality

Gold & Platinum .041" Threaded Monster 9mm Earring Backs Engraving Blocks The nine interchangeable insert shapesThese two hole screw style Monster earring backs are designed to fit 1. 04mm (. 041") diameter threaded screwposts. The 9. 0mm outside diameter measured at the widest part of the nut provides a substantial, secure hold ideal for heavier or more valuable earrings. Available in 14K Yellow Gold, 14K White Gold, 18K White Gold, and Platinum. Made in the United States using 100% recycled gold by a leading precious metal findings manufacturer certified to