Aiourx Torque Screwdriver Set, 1/4" Drive 10-80 Inch Pounds lbs, 31 Pcs Torque Screwdriver Wrench with S2 Steel Bits Set for Professional Maintenance, Tools, Bike Repairing and Mounting

MATERIAL: The torque screwdriver is constructed from premium alloy steel and ABS resin. The head is made of hardened alloy steel. The resin handle is comfortable to grip, anti-skid, and corrosion-proof. The color-coded bits: Hex, Slotted, and Torx bits constructed with S2 steel for extremely durability, HIGH ACCURACY: Calibrated according to DIN 6789, 10 to 55 inch-pounds is pre-calibrated accuracy of +/- 3, 55 to 70 inch-pounds is +/- 4%. When the pre-set torque value is reached, you will hear audible "click" sound, EASY READ AND USE: Pull down to unlock, then set the torque you need and push up to lock lock. Clear range scale, easier to read and reduce errors, VERSATILE: It be used to apply torque to scope mounting, bicycle and precision instrument. It is perfect for hunters, road cyclists and road motorcycle enthusiasts, PACKAGE: 1 x Torque screwdriver, 30 x Bits: PH0, PH1, PH2, PH3; SL3mm, 4mm, 5mm, 6mm, 8mm, 11mm; T6, T8, T10, T15, T20, T25, T30, T40; H3/32", 7/64", 5/32", 3/16", H2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm. 1 x 1/4" hex to 1/4" driver socket adapter, and protective hard case