About JB Tools. Kershaw 1242GEX 9 Curved Fillet Knife. KnKut KK12SP-13/16 13/16 Fractional Step Point 1/2" Reduced Shank Drill Bit. Wirthco 32015 E-Z Smart Drum Funnel - 2 Gallon Capacity. If you receive a defective product, so long as the Limitations found within JB Tools?.