Van Norman 944S & 777S Indexable Boring Bar Bit Holder WITH 10x INSERTS SCREW DR
944S & 777S. The Van Norman 944S & 777S Indexable Boring Bar Bit Holder is designed for holding boring bar bits. Indexable Boring Bar Bit Holder. Long Indexable Bit holder for a Van Norman Model 944-S & Short Holder for the 777-S Boring Bar.