Here are the specs on the materials. The ball is 2" in diameter an takes a 1/2x13tpi bolt, the bolt is 1" long an is 1/2"x13tpi, if you choose to use a belt you will need that funny looking tool called a mini hole punch it punches holes in leather. (I really haven't looked at pet smart to see what the biggest collar they make is, it may be better to go with a large dog collar) then you have the belt. If there is any interest in this let me know before I waste forum space an my time.





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