0.2mm (32 gauge) Sterling Silver Wire (pictured left).

This wire is best suited to fine viking knit chains, like the double knit chain in the example photo to the right. 

Tink Martin vessel shown is from www.tinkmartin.com

0.4mm (26 gauge) Sterling Silver Wire (pictured right).

This wire is best suited to wire wrapping, crochet, knitting and viking knit chain. Pictured left is an example of single viking knit chain with wire wrapped salt water pearls and austrian crystals.

0.5mm (24 gauge) Sterling Silver Wire (pictured left).

This wire is best suited to wire wrapping and can also be used for crochet and knitting.

0.8mm (20 gauge) Sterling Silver Wire (pictured right).

This wire is a good all purpose choice for wire wrapping or making findings for use in jewellery, such as clasps, hooks, jumprings, headpins and eyepins. Some examples are pictured to the left.

1.0mm (18 gauge) Sterling Silver Wire.

This wire is best suited to making findings for use in jewellery, such as clasps, hooks, jumprings, and for larger beads – headpins and eyepins.

0.8mm (20 gauge) Square Sterling Silver Wire.

The twisted connectors in these example photos were made from square wire cut into 25mm (1") lengths, with both ends hammered thinner to allow for turning loops, then twisted (1 end held in a vise with the other held in pliers for twisting).