Designed for Machine Screws #4 or less (1.4 - 3.0 mm), the DLV12SL-BKE ESD-safe torque driver features a brushless motor for maximum tool life and an ergonomic grip for greater operator comfort and increased maneuverability. Clear plastic torque adjustment cover and grounded bit system standard. Torque 0.15 – 1.2 in.-lb. Lever start. Free speed: 700 - 1,000 RPM. ¼” hex drive. Compatible controller: DLC16S-WUB.