€¢ The best value for an economy blade €¢ Corrosion resistant coating helps prevent rusting €¢ Precision ground teeth for smooth; accurate cuts €¢ Slots for Straighter Cuts €¢ 7-1/4 inch diameter €¢ 40 teeth €¢ 5/8 inch arbor €¢ 20 deg hook angle >> The best value for an economy blade. Corrosion resistant coating helps prevent rusting. Precision ground teeth for smooth; accurate cuts. Slots for Straighter Cuts. 7-1/4 inch diameter; 40 teeth; 5/8 inch arbor. 20 deg Hook angle."