Williamson Vortex Speed 300 Jig - 7.25in - 10.5oz - Black Silver. The hydrodynamic design with opposing convex & concave sides allows the jig to rotate effortlessly on the fall. The rotation combined with the two-sided color pattern creates maximum flash that drives fish crazy. Specifications for Williamson Vortex Speed 300 Jig: Manufacturer: Williamson Length: 7.25 in Features of Williamson Vortex Speed 300 Jig Stainless Steel Ball-Bearing Swivel VMC Single Assist Hook with Armored Braid Glow Finishes Package Contents: Williamson Vortex Speed 300 Jig Williamson VSJ300BLK: Vortex Speed 300 Jig - 7.25in - 10.5oz - Black Silver