Click to expand Tap to zoom Crain 821 Carbide-Tipped Undercut Saw Blade by Crain $31.45 | / SKU 821 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Carbide Tipped Replacement Blade Features 40 tooth, carbide-tipped Best for undercutting along walls and door jambs Use with Crain 812 Super Cut Saw, Crain 820 Heavy Duty Undercut Saw, or Crain 825 Heavy Duty Undercut Saw