Lever Start, Direct Plug In Added Maintenance Feature - An LED light notifies the operator when to change brushes. Brush cap contains a switch which shuts off the power during brush replacement. ΒΌ" Hex Quick Change Chuck -Allows easy bit changes. External Torque Collar - Allows easy torque adjustment. Model: AE-2015 Bit-Shank - in: 1/4 Length - in: 9.2 Length - mm: 234 Power Source: 110V/120VAC* Speed - No Load rpm: 1000 Torque Range - in-lbs: 2.0-15.0 Torque Range - kgf-cm: 2.3-18.0 Weight - kg: 0.55 Weight - lbs: 1.2