Comparison : Item # D413611150, 60° HSS LH Combined Drills and Countersinks, Bell Type (USA)
Item # D413611250, 60° HSS LH Combined Drills and Countersinks, Bell Type (USA)
Item # D413611350, 60° HSS LH Combined Drills and Countersinks, Bell Type (USA)
Item # D413611450, 60° HSS LH Combined Drills and Countersinks, Bell Type (USA)
Item # D413611550, 60° HSS LH Combined Drills and Countersinks, Bell Type (USA)