Update: I bought a Jasper M575 to fit the dive center for Bosch and the hub fits perfectly. I downgraded this Powertec to 1 star because the inaccurate bushing bore size which creates backlash makes it almost unusable for their application. Will be returned. Initial rating: 3 stars. It took some time to find a router socket that fits the Bosch 1617EVSPK and specifically the RA1166 diving socket. This one apparently did, but the reviews here are conflicting. Here's another positive review that this fits on the RA1166 base after you remove the original black base. One issue with the universal base was the hub hole which has about 1mm of play, so once screwed in the hub has some play which is unacceptable. I'll try a different set of bushings to see if that fixes the problem and if so I'll update here. I hope the Jasper M575 works better.
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