once all installed, the cotter pins pop out of the main pins, then the main pins fall free, then you have an entire ripper falling off the tractor. Make sure to use better retention system and you'll be happy.
These appear to be perfect for my project of making a homemade box blade. I have not had the time to complete the project yet, but the holes are all in alignment so installation should be simple enough. The mounting pins are also included. The should do the job just fine. Replaceable teeth should also help keep them active for some time.
once all installed, the cotter pins pop out of the main pins, then the main pins fall free, then you have an entire ripper falling off the tractor. Make sure to use better retention system and you'll be happy.