Yamamoto Baits Pro Senko Worm 10 5in Fire Craw. The thinner construction and tapered tail give it a unique shaky worm action while the redesigned head makes it easier to rig on shaky jigs or with a screw-in bullet sinker. Its versatility offers a great way to draw out the bigger fish from deeper water. Specifications for Yamamoto Baits Pro Senko Worm: Manufacturer: Yamamoto Baits Lure Type: Worm Length: 5 in Condition: New Package Contents: Yamamoto Baits Pro Senko Worm Yamamoto Baits YAM-9P-10-9003: Pro Senko Worm 5in 10 Pack Fire Craw