7pcs 6-Angle Hex Head Bit Manual/Pneumatic Compatible with 40JAOOTDTY ScrewdriversFeatures: Size: 30mm/75mm Made of high-quality S2 steel for professional workmanship and durability. Please do not rotate the screw with an unparalleled size, in case both the screw and the bit damaged. Magnetic safety head, can easily suck screws when using it. It can be used for handheld electric screwdriver, screwdriver, drill, air drill and other tools. Specification: Material: Metal AlloyColor: See Picture Package Includes: 1 Set of ScrewdriversNote: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!