CHEAP PNEUMATIC MOLD POLISHING HOLDERS ON EBAY?

[Tolyatti]

Has anyone tried using the cheap (~$60.) Chinese pneumatic file/stone holders often advertised on ebay? I need to come up with a polishing solution on short notice. Thanks for any advice.
1/8'' Turbo Ultrasonic File Mould Polishing in Business and Industrial Supplies | eBay

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[ckielcave]

Hello.

Im a Rubber injection mold polisher.. (mostly SS MOD)

I use this one for big surface (more than a inch ...) i use it with regular stone or supra stone. It work realllly fast ...
Super Hand Pneumatic Filer

When i need fast but in a smaller area i use this one.. also goes pretty fast and use it mostly with supra stone. The stroke is adjustable but at is maximum its about half of the first tool
POWER TOOLS - NSK AMERICA , ULTRASONIC, PROFILERS, AIR GRINDERS ROTARY AND POLISHING TOOLS - FOREDOM, FLEXIBLE SHAFT ROTARY POWER TOOLS - DIPROFIL - DUMORE - DOTCO

I also use a profiler.. this one work sideways and have a stroke of about .750`` ... i only use it with supra stone and work waaaay slower than the first 2 tool.. (the right picture)
PowerHand, Reciprocating Profilers

Finally we use real electric ultrasonic only with supra stone ... these remove material reaaaaaaaly fast .. pretty hard to avoid digging in a really precise place.. but we use it a lot... they are really expensive !
Ultrasonic polishing machine / grinding - SHEENUS neo - NSK Nakanishi

All this to say about 6 months ago we bought a bunch of these to give a try ... and many guys like it ... but you gotta keep in mind it work with air .. there is a certain stroke and they dig to ...
But for the money .. i would absolutely buy it.. none of it broke on us yet.. it also depend the use you wanna make from it ...

[ckielcave]

I hope im not to late ... the tool guy at work told me there were 2 type...

TLSxxx = plastic mechanism
TLLxxx = metal one

so just make sure on the one you get