The Original Case Salty Tube. This 3 ¾”, salt-impregnated plastic tube bait is prized by Smallmouth enthusiasts from all over the North Country.You’ll be able to ‘match the hatch’ all year long. Rig this bait using a Case “Tube Jig” lead jig head and cast it over flats, around sparse weeds or along steep edges. Hop it, crawl it, drag it or fish it vertical in deep water or current for best action. If you’re looking for value in a premium tube bait, the Case Salty Tube beats the competition hands down!