CZECH SUPER DUO BEADS

Made by Czech Republic glass manufacturer Matubo, Super Duo two-hole beads are 2.5x5.5mm with a hole size of .6mm  which will  fit up to a 22 gauge wire or thread.   They are packaged in a plastic bag or 

2 1/2 inch tube containing 8.5 gms with approximately 110 beads .​