The DeWalt DT7944TS high-quality winding bit set consists of 31 elements, comprising PZ, PH, SL, HEX and TORX bits in different sizes. A wide range of screw tips will be useful in many situations related to screwing and twisting the most popular screws. The whole is packed in an aesthetic plastic packaging. Inside we'll find a magnetic handle with security. Set size: 31 elementsBity bit: 1/4"Bity PH - Phillips (25mm): 2 xPH1, 2xPH2, 1xPH3Bity PZ - Pozidriv (25mm): 2xPZ1, 3xPZ2, 1xPZ3Bity HEX - imbus (25mm): 1xH3, 2xH4, 1xH5,Bity SL - flat (25mm): 1xSL4,5, 1xSL5.5, 1x SL6.5Bity T - TORX (25mm): 2xT10, 2xT15, 2xT20, 2xT25, 2xT30, 2xT40Hand: Magnetic with 1/4" Security