That is absolutely ABSURD. I went to snap on website and checked it out, yep $990.
Snap-on Store
shop.snapon.com
You can get the Tekton 1/4" complete set for $74.
1/4 Inch Drive 6-Point Socket and Ratchet Set, Inch/Metric (55-Piece) | TEKTON | SKT05301
Includes: 5/32-9/16 inch (SAE), 4-14 mm (Metric) 6-point standard and deep sockets, ratchet, extensions, hex bit holder, u-joint, spinner handle, and case. No skipped sizes. SKT05301.
www.tekton.com
I'm sure one can get a flexible extension and thumb wheel adapter for less than $900.