925 Sterling Silver Seamless Tubing Hard 1 Foot Outside dimension:6.35mm (.250") it relies on the necklace

it relies on the necklace having enough weight to keep the clasp secure

providing a fail-safe that helps prevent loss of higher-value necklaces or strands and are ideal for pearl and gemstone strands

Closing the end caps

fabrication uses

Fabrication method : Die struck

925 Sterling Silver Seamless Tubing Hard 1 Foot Outside dimension:6.35mm (.250") it relies on the necklace925 Sterling Silver Seamless Tubing Hard 1 Foot Item Details This is authentic Solid 925 Sterling Silver This is NOT "Plated, Filled or Coated!" Type of wire: 925 Sterling Silver Hardness: Hard Form: Tubing Length: 1 Foot Melting Point: 1640 F (893 C) Country of origin: United States Outside dimension: 1. 45mm (. 057") ' 1. 63mm (. 064") ' 1. 80mm (. 071") ' 2. 54mm (. 100") ' 2. 59mm (. 102") ' 2. 90mm (. 114") ' 3. 66mm (. 144") Inside dimension: 1.