The Leatherman Tool Bit Kit features 21 double sided bits made of zinc coated S2 tool steel. The Leatherman Tool Bit Kit includes the following hex bits: 1.5mm and 2.0mm, 2.5mm and 3.0mm, 4mm and 5mm, 6mm and 1/4", 7/32" and 3/16", 5/32" and 9/64", 1/8" and 7/64", 3/32" and 5/64", 1/16" and .050". The Tool Bit Kit has #3 and #2 Square Drive, #1 Square Drive and #3 Pozi, #2 and #1 Pozi. The Torx Bits include #10 and #15, #20 and #25, #27 and #30. The screwdriver bits include: #0 and #3 Phillips, #1 and #2 Phillips, 3/32" and 1/8" flat, 5/32" and 3/16" flat, 7/32" and 1/4" flat, Phillips and flat Eyeglasses screwdriver bits. Two bit holders are included; no sheath. The Leatherman Tool Bit Kit fits any Leatherman Tool or Knife with a bit driver.Tools and knives sold separately.