Sonar Knife Retainer Ring - Block Type A

The Sonar Knife Retainer Ring, Block Type A, is made from solid rubber.

This is a replacement knife retainer ring for the Sonar Master Dive Knife, plus other similar knives.

Photo shows the Sonar Knife Retainer Ring in place on a Sonar Master Knife.

Stock Status: Discontinued Stock. Once sold out, that's it! Sadly, there are no returns, refunds, or exchanges on discontinued stock.