Bought a guys tackle stock pile and found about 30 of these in it. No bag and no marking to identify. Anybody know who made it or what it is called?

zipper grub?

It's very similar to the robo zipper grub, but I think it's older

It's a zipper grub.  It isn't made by Zipper or Roboworm though.   Could be anyone really.

Yum wooly beaver tail.

Yum wooly beaver tail.

Isn't the Yum more round?  This looks pretty flat to me.

Isn't the Yum more round?  This looks pretty flat to me.

Nope, the wooly beaver has the bottom "flat" while the top is round.

Bingo! Thanks guys!

Hope you still find some, I'm shure they are discontinued by now. There were two sizes available.

Man ,what a punch bait!

Nope, the wooly beaver has the bottom "flat" while the top is round.

Yep, you're right.  I never really noticed the flat side.