Wolfride1/2-Inch Shank Router Bit Collet Extension, Adapter for 1/2-inch Shank Bits

I read some of the reviews about this product. Some reviewers were concerned with vibration. I will be putting this in my drill press and measuring runout with a runout gauge. Should there be a problem, I will turn it on a metal lathe to true it up. Based on what i have observed so far it runs smoothly and when it turns warm again this winter, I will do the runout test.The threads are clean and the collett adjusts smoothly. It is a great product for those who are working with large routers and planing slabs. I purchased a 3 edge planing bit to work in conjunction with this extension. The only concern I have is the bending stresses on the router bearings. I am using this on my Porter Cable 1.75 HP router. I will be cutting no more than an 1/8" deep until I find a good comfort level with this combination.I also have a Jet Shaper and have had problems using some of my pattern bits. Often with thicker slabs, the router bits are not long enough to allow the bearing to reach the full depth of the wood. This should solve that problem.You may not use this all the time in your woodworking, but having it when you need it is good. It is a good product and the price is right.

Router bit extension that has many uses.

Creo que hice una muy buena compra, muy buena extensión, justo lo que necesitaba.

good with some router bits, you can cut at deeper depth

This is good router shank extender. It is made well and, most importantly, is "true" (no wobble). Excellent purchase for the price. I recommend it highly.