These help large hole beads stay straight when strung with smaller beads. Converts 4mm hole down to 1mm.
When stringing beads with larger holes, (2.5mm or 3/32in or larger) i.e. some big hole beads or lampwork beads, you will notice that sometimes the beads do not sit straight on the beading wire. These aligners have a dimple or inset to help keep the bead straight.
Also try them as a end cap for peyote or stitched tubes.
7mm Inside diameter (ID) is 4 mm. By the pack of 10.