These .061" (1.61 mm) diameter screw posts are made in the USA and designed to be soldered onto jewelry, then mounted to clothing using a matching screw button back. The button back features serrated edges to grip fabric securely through a buttonhole, along with coin edges for easy handling when screwing on or off. Available in two post lengths and both standard and fusion styles, this family covers a range of jewelry-to-garment attachment applications. Features Made in the USA .061" (1.61 mm) post diameter Designed to be soldered directly onto jewelry pieces Matching screw button back features serrated edges for secure fabric grip Button back coin edges allow easy hand-tightening and removal Fusion-style posts include a small nib on the head as joining material for use with a fusion tacking machine Fusion nibs can be filed away for traditional soldering or other joining methods Available in 1/4" and 5/16" post lengths Nickel silver posts; brass button back Specifications Post Diameter .061" (1.61 mm) Post Material Nickel silver Button Back Material Brass Country of Origin USA Button Back Compatibility Fits .061" diameter posts Available Options Part # Type Length Material 545-31 Screw Post – Standard 1/4" Nickel Silver 545-35 Screw Post – Fusion 1/4" Nickel Silver 545-37 Screw Post – Fusion 5/16" Nickel Silver 546-42 Screw Button Back – Brass Notes A larger .085" (1.85 mm) diameter version of these screw posts and button backs is also available for applications requiring a heavier-gauge post.