I bought this product for my company for a manual drive shaft for a machine we make. Gears (at least with my hands turning the shaft). The block itself can be cleaned/lubricated/disassembled by removing the snap ring on the non-shaft end, although I didn't do that. Mounting holes are solid. The overall design feels good. If you need a CAD file for a gearbox. You can get it here:[.]You only need to provide your email address. This is not a third party. This is the manufacturer's website. Greg
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