Miyuki Cube Beads are prized for their precise shape and uniform color. The 4mm Size actually has the following range of measurements: 3.8-4mm long, 3.4mm wide. Hole is approximately 1.3mm in diameter. When strung, there are 6.5 beads per inch. You will receive 10 grams of beads, approximately 100 beads total. Transparent Cobalt Blue Color #151