Comparison : Item # D415180060, 60° HSS Zero Flute Countersinks and Deburring Tools, (USA)
Item # D415180160, 60° HSS Zero Flute Countersinks and Deburring Tools, (USA)
Item # D415180260, 60° HSS Zero Flute Countersinks and Deburring Tools, (USA)
Item # D415180360, 60° HSS Zero Flute Countersinks and Deburring Tools, (USA)
Item # D415180460, 60° HSS Zero Flute Countersinks and Deburring Tools, (USA)