Convenience of Cordless. Power of Air. The Ingersoll Rand R3000 Series 20V Ratchet Wrench delivers the power you need where you need it — from the engine compartment to the maintenance department. Designed for professional service technicians, the R3150 offers exceptional performance in a variety of applications. With long-lasting durability and best-in-class power to- weight ratio for access to tight spots, you can rely on the it to do the job, do it fast, and do it every time.