Dewalt DT70709 Compatible with the TSTAK system via the Caddy and Large Tough Case The Dewalt DT70709 Screwdriver Bit Set with 33 Pieces consists of 28 x 25mm long bits, with multiple amounts of the most commonly used ones. Also 3 x 50mm bits and 2 x magnetic bit holders. They come in a TSAK Connectable Case allowing multiple sets to be stacked and locked together. Features: Small Tough Case System Set Connectable Case allows multiple sets to be stacked and locked together TSTAK compatible to hold all your accessory sets in one place Compatible with the TSTAK system via the Caddy and Large Tough Case Easy bit removal and retention for user convenience Bits lock into place to prevent them falling out when not in use Optimised Tip Geometry for full fitment in the fastener and reduced cam-out Full-fit head eliminates wobble and screw head rounding Includes a drive guide with an extending sleeve for improved fastener stability and control Bit holder included Contains: 1 x PH1 25mm 4 x PH2 25mm 1 x PH3 25mm 1 x PZ1 25mm 6 x PZ2 25mm 3 x PZ3 25mm 1 x T10 25mm 1 x T15 25mm 1 x T20 25mm 4 x T25 25mm 2 x T30 25mm 1 x T40 25mm 1 x SL6 25mm 1 x SL8 25mm 1 x PH2 50mm 1 x PZ2 50mm 1 x T25 50mm 1 x Magnetic Bit Holder 1 x Compact Magnetic Drive Guide