G21-144 G21144 Blades For Davis/ Mcivor Gag Without Ether Tube 5  1" X 4" Tongue Blade G21-143 G21143 Blades For Davis/ Mcivor Gag Without Ether Tube 4  1" X 3 3/4" Tongue Blade G21-142 G21142 Blades For Davis/ Mcivor Gag Without Ether Tube 3  1" X 3 1/4" Tongue Blade G21-141 G21141 Blades For Davis/ Mcivor Gag Without Ether Tube 2  1" X 2 3/4" Tongue Blade G21-140 G21140 Blades For Davis/ Mcivor Gag Without Ether Tube 1  3/4" X 1"  Tooth Plate