Comparison : Item # D413031300, HSS S&D 1/2" Shank Drills, Metric Sizes (USA)
Item # D413031350, HSS S&D 1/2" Shank Drills, Metric Sizes (USA)
Item # D413031400, HSS S&D 1/2" Shank Drills, Metric Sizes (USA)
Item # D413031450, HSS S&D 1/2" Shank Drills, Metric Sizes (USA)
Item # D413031500, HSS S&D 1/2" Shank Drills, Metric Sizes (USA)