Heavy Duty Retaining Lock / Rubber
Are similar to the 18 Series Esco teeth which are the most common teeth in Australia for mini excavators from 3 to 6 tonne. They are fitted with a rubber lock inside the adapter and a serrated pin which is punched in vertically from top to bottom. These will most likely be the teeth fitted If you have an older mini excavator from 3 to 6 tonne with a rectangular pin.
