Wareon via Amazon has Universal Socket w/ Drill Adapter (7–19mm) on sale for $7.99 - 50% off discount applied automatically during checkout = $3.99. Shipping is free with Prime or orders $35+.

Thanks to Deal Hunter ItsSoCheap for finding this deal.

About this Item:

• Features 54 durable metal pins and can self-adjust to any size from standard 1/4" to 3/4" and metric 7mm to 19mm.