Comparison : Item # HR-1/2-C, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot
Item # HR-5/8-C, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot
Item # HR-3/4-C, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot
Item # HR-7/8-C, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot
Item # HR-1-C, HR-C, HR-XC Heavy Stud Crowned Screwdriver Slot