Descriptions:<br>      6pcs 150mm 3mm-6mm Magnetic Hex Cross Head Screwdriver Bit Set Electric Screwdriver         Those Long Cross Screwdriver Bits are made of S2 alloy steel which is a commonly used material in hardware with high hardness.     Magnetic bits can be firmly fixed on screwdrivers.            Specifications:     Brand: JAPAN SEALS     Materials: S2 alloy steel     Type of Head: Cross Head         Length of Screwdriver: 150mm    Type of Shank: Hex       Dia. of Shank: 6.35mm \/ 1\/4&amp;quot;    Quantity: 6 Pcs       Dimensions:                      Size            Bit Diameter            Length (mm)                   PH1           &amp;Phi;3.0            150                   PH1            &amp;Phi;4.0            150                   PH1           &amp;Phi;4.5            150                   PH2           &amp;Phi;4.5            150                   PH2           &amp;Phi;5.0           150                   PH2            &amp;Phi;6.0              150          <br>  <br> Notes:<br> PH1 is suitable for major and small appliances;<br> PH2 is suitable for household screws and major appliances.<br>  <br> Do not turn the screws with unmatched size， in case get both screw and bit damaged.<br> Please allow a bit manual measuring errors.<br>  <br> Package included:<br> 1 x 150mm*&amp;Phi;3.0*PH1 Cross Screwdriver bit<br> 1 x 150mm*&amp;Phi;4.0*PH1 Cross Screwdriver bit<br> 1 x 150mm*&amp;Phi;4.5*PH1 Cross Screwdriver bit<br> 1 x 150mm*&amp;Phi;4.5*PH2 Cross Screwdriver bit<br> 1 x 150mm*&amp;Phi;5.0*PH2 Cross Screwdriver bit<br> 1 x 150mm*&amp;Phi;6.0*PH2 Cross Screwdriver bit  More Details: