At my place of work in San Diego Ca about 1974,the company ought a 50hz setup much like this, as they made European spec'd power equipment,that came out of a bakery, on first fire up the, rat **** came flying out like bullets.......
Look at what www.griotsgarage.com has to offer,cleaners,waxes, accessories,tools, and other car care products. www.eastwood.com is another good website
Glad we could help,I first used those strain relief clamps after working at a company in California on the tabletop units they made,small UPS(Uninterruptible Power Systems) and line conditioners.
A wire wheel on a drill(air or electric) with eye protection, will remove most rust,wipe down with light oil when done, a nice selection of clamps,a Man cannot have too many of those.
Heyco clamp,there's a special adjustable tool that looks like pliers, fitting in the grove on the clamp.
https://www.heyco.com/Strain_Relief_Bushings/product.cfm?product=Strain-Relief-Assembly-Tools§ion=Strain_Relief_Bushings
Be aware,there are Chinese made disposals the home warranty people are installing when a good one fails. Check it when the worker comes out to replace a unit.
Aerospace work was all air tools,drills,rivet squeezers,rivet shavers,and rivet guns,no danger of sparking in an explosive atmosphere,lot's of power in a small size.