miyuki spacer beads
Miyuki spacer beads are rounded disc-shaped and triangle seed beads (SPTR) that come in three sizes:
2.2x1mm (SPR22) with a hole size of .9mm. Count is approximately 130 beads per gram.
3x1.3mm (SPR3) with a hole size of 1.3mm. Count is approximately 65 beads per gram.
2.8x1.3mm (SPTR) with a hole size of 1mm. Count is approximately 75 beads per gram.