Slugging Wrench

have no idea.....

better to ask a engineer about this..

www.cnebp.com

....and please stop shouting.

Impact wrench?

Proto^® and Snap-On^® are two possibilities. They might be available from Grainger, McMaster-Carr, Northern Tools, etc.

Where have you looked, so far?

What effort have you expended on this project, so far?

12 point and 6 point wrenches are easily available. Apart from PROTO & SNAP-ON GEDORE, ARMSTRONG, Stahville-Stabil are few more companies manufacturing these wrenches.

However eight point wrenches ( being non-standard ) are not found in product catalogues of these companies.

8-Point Socket Sets, Armstrong Tools 15-585$100.95 - Global IndustrialBrowse over 550k Industrial Quality Products8‑Point Socket Sets, Armstro...$100.95Global Industr...Wright Tool 8 Point Double Square Impact Railroad Sockets - 1-1/2''$53.99 - WalmartFree shipping on eligible $45+ orderWright Tool 8 Point Double...$53.99Walmart1/2-Inch Drive x 3/4-Inch 8 Point Deep Impact Socket$8.35 - Mechanics Tool Supply1/2‑Inch Drive x 3/4‑Inch 8 P...$8.35Mechanics To...Grey Pneumatic 4532S 1" Drive x 1" Standard - 8 Point Socket$26.23 - J&B Tool SalesGrey Pneumatic 45...$26.23J&B Tool SalesOTC 1941 4-13/16-inch 3/4-inch Drive 8 Point Wheel Bearing Locknut Socket$46.87 - ToolKing.comOTC 1941 4‑13/16‑inch...$46.87ToolKing.com