25 + 3 * black O-RINGS size 3
as shown on my size chart - see pic 3 -
* 3 rings for free as compensation, if ebay charges separate sales tax .
for MDI Mini Dental Implants with MH Metal Housings.
Same size as 3M ring code 0351-10 and 0351-25
for metal housings MH2 and MH3 .
Compatible with Intra-Lock extra small housings and many others.
ID 1.1 mm
( fits inner 1.0 and 1.2 mm too ) OD 3.6 mm .
Best quality nitrile rubber,
leading companies first choice.
After shipped out I send an email with a link to illustrated instructions.
Free shipping