This Cutter Bit Holder from Goodson is designed to use replaceable cutter bits, meaning you won't need to replace the holder, only the cutter bits. Much more economical!
This model fits Winona Van Norman, Van Norman, Peterson and Kansas Instruments boring bar models 777S, 777S4, 944S with a bore range of 2.65" to 4.50".
Remember to order replacement cutters too! Choose from Standard Carbide (RT-6B) and Titanium Coated Carbide (RT-6BT).