As an industrial woodworker, I have used a variety of drill bits and extensions. However, the SDR88702 extension from Irwin Tools stands out for its impressive performance. With easy installation, it extended the reach of my drill and provided precise drilling into wood. As a result of using this product, I found that it saved me a lot of time and money. The only con is that it's a little bit expensive compared to other options in the market.
Pros
Easy to install, precise drilling, saves time and money
These things work great. Now I have 2 and I use one for a wire brush to clean diesel injector holes and the other has a roloc adapter. Both are used with my drill press. The Irwin extension works better than the cheaper version as the set screws are not prone to loosening and the bit retention is very good compared to others.