On Thursday, January 29, 2015 at 7:43:51 AM UTC-6, DerbyDad03 wrote:

.... the Delta 35-7657 was originally the DeWalt DW7657 ....

Was *originally the same blade! Apparently, they are not the same blade, anymore, though the model numbers have remained the same.

How can they be the same blade if one is a thin-kerf and one is a full-kerf?

Ibid. Shop for the blade, itself, being offered, not the model number.

Sonny