Quarter Tila Beads are a Japanese Miyuki Bead that has two parallel 0.8mm holes.  They measure 5mmx1.2mmx1.9mm.  Like other Miyuki Beads, Quarter Tilas are high quality beads that are always uniform in shape and size.  There are approximately 48 beads per gram depending on the finish.  Quarter Tilas are sold in 5 gram packages.