Sunex 4pc Wobble Socket Extensions – 3/8 or 1/2 inch w/ case – $18.59-$18.78 @ Lowes

I picked up the 19pc impact socket set this morning (thanks OP!) and afterwards, went through all the Sunex tools that Lowes offers on their website. I found these addition discounted items.
Sunex Tools 4-Piece 1/2-in Drive Wobble Socket Extension Set for $18.78 Link
For comparison, Amazon is selling them for $28
Also, the Sunex Tools 4-Piece 3/8 Drive Wobble Socket Extension Set is $18.59 Link
Lastly, the Sunex 3/8" Air Impact Ratchet, 70lbs torque rating, is $59.76 Link
Good luck..