[SIZE] - 6mm Key Diameter, 18mm Gear Diameter [FEATURE] - Durable and long-lasting, T-shaped grip for easy use [FUNCTION] - During the tightening process, it acts to increase the torque input, so the drill chuck has a high clamping force [APPLICATIONS] - It can be applied to the drill chuck of compatible electric tools such as electric drills, impact drills, hammer drills and drilling machines [NOTICE] - Measure the size of the wrench hole in the drill chuck and use the appropriate drill chuck key for tightening, Weight: 0.022046001167587297 pounds, Manufacturer: Sourcingmap