Heavy-duty magnet holds bits in place for fast screwdriving, Shock-resistant steel, heat-treated for longer life and bit retention system keeps bits secure. Screwdriving and Outdriving set includes one #1 Phillips, 10 #2 Phillips, one #3 Phillips bit tips, one #6, two #8, one #10 slotted bit tips, one #1 square recess, six #2 square recess, one #3 square recess, one #2 Phillips power bit, one #2 square recess power bit, one 1/4 in magnetic nut driver, compact magnetic drive guide and plastic case.