The Lezyne Pocket Torque Drive is an innovative beautifully crafted torque wrench with classic Lezyne styling and superior functionality. It's a pre-calibrated torsion ratchet tool constructed from durable lightweight machined aluminum. With the handle removed the wrench packs up neatly into a compact molded EVA case and comes equipped with six hardened steel bits including 2.5 3 4 5 MM hex bits and T20 T25 Torx bits. A custom Composite Matrix key is included to help easily adjust the wrench's torque setting. It's adjustable between 2 - 6 Nm in .5 Nm increments and features a magnetic bit holder. This is the ultimate portable bicycle torque wrench for professional level shop use or on-the-fly adjustments.Pre-calibrated torsion ratchet torque wrenchWater resistant storage case with foam insertIncludes 2.545mm hex. T20 T25 bits