Trademark Tools 75-8108 Hawk 108 Screwdriver Bit Assortment, 18 Different Styles and Sizes Set includes 18 different styles and sizes Phillips: 6 each #1, #2 and #3 head Slotted: 6 each 4mm, 5mm and 7mm Torx: 6 each T10, T15, and T20 Robertson: 6 each #1, #2, #3,Pozi-Driv: 6 each Pz1, Pz2, and Pz3, Hex: 6 each #1, #2 and #3. See-thru organizer case to keep it all in. For 25mm bit attachment.