These do not fit the Sears Champion hack saw and are only for reciprocating saws. Brand new in manufacturer's packaging dated 2012

Perfect for craft projects, plumbing issues, wood, metal pvc pipes and tree branches.

Included are 2 of the following;

818R- medium to thin metal, 

810R- wood, metal, plastic

624R- thin metal

656R- nail embedded wood                           

The Sears Champion 12 inch hacksaw is very heavy, all metal and 12 years old, original owner