For use with 35 Volt electric screwdrivers: AE-2020 AE-4020 AE-4520 AE-4520ESD AE-6300 Standard Precision AE-6450 Standard Precision AE-6300S High Speed Precision AE-6450S High Speed Precision Specifications: Model No: AE-2045DPS Dimensions (w x h x d) - in: 7.8 x 4.6 x 3.7 Dimensions (w x h x d) - mm: 198 x 117 x 94 Included w/Driver: No Weight - kg: 3.2 Weight - lbs: 7