These block beads are 5.5 square and go with the round 6mm large hole beads for sale in my store. The hole is 3 mm in diameter. Also, both round and square beads fit perfectly on the sterling silver wire charm bracelets for sale in my store. THESE BEADS DO NOT FIT ON A PANDORA. YOU NEED TO BUY THE 7MM BEADS TO FIT ON A PANDORA. THEY ARE IN A SEPARATE LISTING.