Park Tool PTD-4 Preset Torque Driver 4NM • Shop quality, preset torque driver that limits the amount of torqueapplied to fasteners, preventing over tightening and damage tolightweight components • All metal internal construction for long life • Ergonomic composite molded grip • Includes 3mm, 4mm, 5mm and T25 bits (stored in handle) • 1/4" drive • Magnetic socket retains bits • Manufacturer Part Number: PTD-4 • UPC: 763477005762