Blades for the Jump Ringer are available from JTS Machinery & Supply
in Mentor OH
800-321-3566. Web site, http://www.ganoksin.com/gnkurl/1mx
If you go to their web site select the following fields in order.
At the top of the page select: 'Product Categories'
Next select 'Saws & Saw Blades'
Next select 'Slitting/Slotting Saws'
Then select the size blade you want from the list.