![SPC Performance CARBIDE INSERTS - AMMCO](http://throwdownperformance.com/cdn/shop/files/0d837351c34b00f9159b0a711cec68e5_{width}x.jpg?v=1697935660)
For model #s 3850,4000,7000,7500,6900,6950----- Twin cutter / 9831 Grinding set----- Ammco part# 7681-6 FMC John Bean/Barrett # 91212----- RTI Models BRC500,BRC50-----3 cut edges---positive rake 500 series on the car lathe 6 bits per pack. California Residents WARNING