| Model | D550 | |
| Stall Torque | in.-lbs. | 550 |
| Stall Torque | Nm | 745.7 |
| Speed | rpm | 0-360/1300 |
| Weight (No Battery) | lbs | 3.2 |
| Weight (No Battery) | Kg | 1.45 |
| Weight with NiCd battery | lbs | 5 |
| Weight with NiCd battery | Kg | 2.27 |
| Weight with Li-Ion battery | lbs | 4.5 |
| Weight with Li-Ion battery | Kg | 2.04 |
| Patent-pending IQv technology provides maximum performance, durability, and battery life. | ||
| The D550 can be powered by either the 14.4V lithium-ion (BL144) or 14.4V nickel cadmium (N144) battery. | ||
| An industrial keyless ratcheting chuck guarantees industrial grade performance. |