Comparison : Item # CTD29130, 33/64" Type 130 S&D General Purpose Drill Bit 1/2" Shank
Item # CTD29140, 17/32" Type 130 S&D General Purpose Drill Bit 1/2" Shank
Item # CTD29150, 35/64" Type 130 S&D General Purpose Drill Bit 1/2" Shank
Item # CTD29160, 9/16" Type 130 S&D General Purpose Drill Bit 1/2" Shank
Item # CTD29170, 37/64" Type 130 S&D General Purpose Drill Bit 1/2" Shank