Yamamoto Baits Zako Swimbaits 6 Pack 4in Black w/Large Blue Flake. The original soft-plastic stickbait comes in sizes ranging from 3 inches up to 7 and it has become the #1 choice of anglers everywhere. Iconic is an understatement the Senko has spawned thousands of imposters but nothing beats the original. Versatility is a key attribute of the Senko allowing it to be fished in a multitude of ways that all end up putting more fish in the boat. The only wrong way to fish a Senko is to not fish with the original Senko. Yamamoto Zako Swimbaits. Specifications for Yamamoto Baits Zako Swimbaits 6 Pack: Manufacturer: Yamamoto Baits Lure Type: Swimbaits Quantity: 6 Pack Length: 4 in Water Type: Freshwater Hook Type: Bait Holder Condition: New Attachment Type: Hook Features of Yamamoto Baits Zako Swimbaits - 6 Pack Count Per Bag:10 Package Contents: Yamamoto Baits Zako Swimbaits - 6 Pack Yamamoto Baits 134-06-021: Zako Swimbait Black W/Large Blue Flake 4in6 Pack