【COMPACT PORTABLE】Made of high-quality S2 steel, with sturdy hardened & tempered construction, Perfectly matched to most standard tamper-resistant German-made star hex point screws. 【HEX BIT】This set includes 12 piece sae hex bits sizes include 1.5mm, 1.5mm, 2mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. 12 piece metric hex bits sizes include 5/64 inch, 5/64 inch, 3/32 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch. 【DELICATE MECHANISM】The 36-teeth ratchet screwdriver, which can ensure the smooth rotation of the bidirectional ratchet and make more accurate adjustment than the 12-teeth one. You can adjust the direction by simply dialing the spin button buring use. 【MAGNETIC BIT ADAPTOR】The magnetic bit adaptor ensures that any 1/4" hex bit can be firmly secured for higher torque. Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts. 【WIDE RANGE OF APPLICATIONS】Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts. 【COMPACT PORTABLE】Made of high-quality S2 steel, with sturdy hardened & tempered construction, Perfectly matched to most standard tamper-resistant German-made star hex point screws.