Davis Instruments Rigging Knife Deluxe. Telo Rigging knives are tools that yachtsmen will be proud to own yet are affordable. Deluxe Rigging Kinfe comes with a marlin spike shackle key and screwdriver. Specifications for Davis Instruments Deluxe Rigging Knife: Manufacturer: Davis Instruments Color: Black Handle Color: Black Package Contents: Davis Instruments Deluxe Rigging Knife Davis Instruments 1551: Rigging Knife Deluxe