Knife Lock (Gib) Bar also 418-03-004-0001. Uses four Special Screws # 901-09-070-6120. Used on Delta or Rockwell 6 Jointer Models: 37-207 37-220 37-307 37-255 37-260 37-207 37-220 37-221 37-222 37-223 37-225 37-230 37-231 37-233 37-241 37-243 37-307 37-600 37-608 37-610 4800 666
