BigSkyTool offers this factory-refurbished Hitachi 10.8-volt 1/4" Cordless Impact Driver
, model no. WH10DFL, for $49
with about $6
for shipping. It's $5 under our August mention of a refurb and $50 under the lowest total price we could find for a new one. It features a 3,000 BPM impact rate, LED work light, two 1.5Ah HXP Li-Ion batteries, and more. A 1-year Hitachi warranty applies.