As you may or may not know, Zenith Archery Products was purchased by 60X Custom Strings in November.Being active in the archery industry I was familiar with the line of Zenith releases, but I’ll admit that I didn’t know much about the Bitzenburger upgrade kit that they offered.During the transition in the new business I was blown away at the popularity of the upgrade kit with our customers.I have been using a Bitzenburger fletching jig for over 20 years and I couldn’t see how a little upgrade kit could make this jig any better.I soon realized that I was wrong. The Zenith Bitzenburger upgrade kit consists of a new nock receiver, to read the rest please visit Zenith Bitzenburger Review