Sears offers the Craftsman C3 Lithium-Ion 1/2" Impact Wrench and Angle Grinder Kit, model no. 17729XN, for $169.99 with free shipping. That's $30 off list and the lowest total price we could find. It features 200 ft. lbs of torque, 3,000 impacts per minute, a bottom-mounted LED light, and 6,500 RPMs of cutting and grinding power.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.