Review on 🔧 Enhance Precision with Werkzeug Centering Woodworking Adjustable Replacement by Andrew Jones

how other one star reviewers of this product pointed out that the design of these 'self centering' bits is flawed and they are completely useless. How anyone can rate her so highly is beyond me. The drills are a separate part of the "centering" mechanism held in place by a set screw. This means the bit is NOT centered/moving concentrically in the hole and is wobbling everywhere. You will end up with a hole that is not round and much larger than intended. Second, as many have pointed out, the spring-loaded centering piece does not taper and "center" itself in your part. Unfortunately, there is a big gap between purchase and first use, otherwise they would be sent back for a refund. DO NOT BUY!