Global Tooling IC-2014144 RCK-70 14mm 4-Edge Carbide Insert Knife, Sold Each (The LF 850 S paint stripper uses 4 at a time)

Long wearing solid C3 carbide indexable insert knives (ICKs) are offered in dozens of standard sizes for wood surfacing, planing cutterheads, groovers, helical planer cutter heads, and other woodworking applications. Polished to a mirror finish for smoother cutting and longer tool life.