14 and 12 gauge, inner diameter is 5/16"; overall length is 1-3/4".
10 and 8 gauge, inner diameter is 3/8"; overall length is 2".
6 gauge, inner diameter is 7/16"; overall length is 3".
Caduceus -Wholesale
$20.00Price
Stainless Steel (316LVM ASTM F-138)
Brass (85% Copper/15% Zinc)
Copper (straight up copper)If ordering a single, pick which side you need from the pic.