These 2 hole glass 6mm square tile beads are made in the Czech Republic from pressed glass and have a very uniform size and shape. The corners are
Czechmate 6mm Square Glass Czech Two Hole Tile Bead, Bronze Luster Iri
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Czechmates 6mm Square Glass Czech Two Hole Tile Beads
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CzechMate 6mm Square Glass Czech Two Hole Tile Bead
CzechMate 6mm Square Glass Czech Two Hole Tile Bead