This handy set of bead counters comes with four trays,  There is one size for each of the most popular bead sizes: 3, 4. 6 and 8mm. There is also a sliding divider that blocks off extra spaces so you collect only the beads you need. You can measure up to 100 beads with the 3 and 4mm trays, and up to 50 beads with the 6 and 8mm trays.

Size:  4" (10cm) x 3" (7.5cm)