Tonbodama #2442 Hole diameter: Approximately 4mm Please see my profile. I have many other items for sale. How about using them as materials for accessories, etc.? These are handmade items, so please refrain from purchasing if you are looking for perfection. Reference size: "See photo" Instant purchase is OK. There is no other item like this. This is the only one available. I do not accept custom orders. The photos were taken with a light. There may be slight differences from the actual color. Tonbodama Handmade Burner work Kinari glass Satake glass Glass beads Artist Dragonfly ball Tonbodama Please see my profile. I have many other items for sale. How about using them as materials for accessories, etc.? These are handmade items, so please refrain from purchasing if you are looking for perfection. Reference size: "See photo" Instant purchase is OK. There is no other item like this. This is the only one available. I do not accept custom orders. The photos were taken with a light. There may be slight differences from the actual color. Tonbodama Handmade Burner work Kinari glass Satake glass Glass beads Artist Dragonfly ball Tonbodama