Quad-point saw tooth, 2-5/16", No Shank

Aftermarket replacement tooth with four cutting edges, reversible (can be flipped for reuse) 

Kerf: 2.31 inches square

Bolt (sold separately): 1-14 Hex head, 3" or 4-1/2" long

OEM interchange numbers:  Q10233T; QRX233R2; XFB-QU104; KFZ017-K; HT-Q10233T; 3PUXQ10233T; B10233T; LBT-250