Features:

Bow Frog Eyelets for Violin/Viola/cello/double Bow Frog Replacements.
Made of brass .
Great replacement for your old, dirty or damaged bow frog eyelets.
Threaded hole for the 3 mm/3.86mm diameter thread screw.

Specifications:

Material: Brass
Violin/Viola Bow Eyelet Diameter:3mm Weight:50g
Cello Bow Eyelet Diameter:3mm Weight:75g
Double Bass Eyelet Diameter:3.86mm Weight:115g
SKU:BP0908-B041/BP0908-B042/BP0908-B043/BP0908-B044

Package List:
50* Violin/Viola/Cello/Double Bass bow eyelets

Notes:
1.Item's color might be different from the picture because of the aberration. 
2.If you have any questions about the product, please contact customer service immediately.