Customer Rating: - MUCH NEEDED
You will need this if you use Porter Cables dovetail jig and I would asume anyone elses jig. Bosch does not have a screw one adaptor for the guide/template and this accessory kit accomodates it nicely

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Customer Rating: - Good Router template guide set
If you a serious router person at some point you will need and/or use guides. This is a nice set, in a nice rugged case, to keep you organized, with common sizes you need. I use them with my Bosch router and they work just like they are suppose to.

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Customer Rating: - Modern design for interchangeable pieces
These templates are much better than popular Porter-Cable ones. Generally, bayonet system is inheritably more advanced and modern. Thus, on any professional and non-professional photo camera with interchangeable lenses, this type of bayonet system is used. However, we all know that Delta, Porter-Cable and DeWalt are blasts from the past.

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Customer Rating: - OK, but here's a way to save money
The Bosch template adapters are handy due to the quick-change feature, but they are poorly made, among the few Bosch products I don't enthusiastically recommend. If you own a set of Porter-Cable adapters, you can save $15 by getting the RA1100 PC-Bosch adapter alone. Amazon has it for less than $7. It is cast (not stamped), solid, and locks into my Bosch routers very securely. The PC adapters fit the RA1100 very closely, so there are no problems with slop or poor centering. This is my preferred method of using template adapters on my Bosch routers.

BOSCH Tool-free Templet Guide Adapter for Competitor Templet Guides RA1100