The strength and durability of heat-treated screw- and nutdriver bits make them a great choice for the demanding professional and that dependability is exactly what you get in the DeWalt DW HEX -Piece Set The advanced hardening process used in the creation of these tools allows them to provide higher torque and improved driving power so you get jobs done faster and more efficiently And they come neatly packaged in a heavy-duty case made from industrial-grade material so you never end up sorting through the bottom of a big tool kit for a little bit tip A sliding rubber lock keeps this kit closed during transport for piece of mind Included with this kit is a Compact Magnetic Drive Guide -inch by – -inch magnetic nut driver -inch by – -inch magnetic nut driver no Phillips – -inch power bit no square recess – -inch power bit no Phillips no slotted double-ended bit no Phillips -inch insert bit tip ten no Phillips -inch insert bit tips no Phillips -inch insert bit tip a no slotted -inch insert bit tip no slotted -inch insert bit tip no slotted -inch insert bit tip no square recess -inch bit tip six no square recess -inch bit tips and a no square recess -inch bit tip more info