Craftsman 9-41633 Screwdriver Set, 10-Piece Caps are hexagonal in shape to reduce the rolling effect usually found when a precision screwdriver is placed on a flat surface Tip size of the screwdriver is printed in the top of the cap for quick size selection Body of the precision screwdriver now includes an 8 sided non-slip rubber grip Torx and hex drivers have been updated to an industry standard black oxide finish Hex drivers are now ball hex allowing 360-Degrees of rotation up to a 25-Degree angle