Tonbo-dama #2470 Hole diameter: Approximately 4mm Please see my profile. I have many other items for sale. If you purchase multiple items, I can offer a discount on shipping if you let me know in advance. Please consider this. Ideal for materials for accessories, etc. How about it? These are handmade items, so please refrain from purchasing if you are looking for perfection. Reference size: "See photos" Instant purchase OK. There is no other item like this. Limited to the current item. I do not accept custom orders. The photos were taken with a light. There may be slight differences from the actual color. Tonbo-dama Handmade Burner work Kinari glass Satake glass Glass Beads Artist Dragonfly ball Tonbo-dama Please see my profile. I have many other items for sale. Ideal for materials for accessories, etc. How about it? These are handmade items, so please refrain from purchasing if you are looking for perfection. Reference size: "See photos" Instant purchase OK. There is no other item like this. Limited to the current item. I do not accept custom orders. The photos were taken with a light. There may be slight differences from the actual color. Tonbo-dama Handmade Burner work Kinari glass Satake glass Glass Beads Artist Dragonfly ball Tonbo-dama