The NEOGRIP is the outer ring of the VFO A knob on the K3S. You can upgrade your K3's rubber grip to the silky smooth feel neoprene grip of the K3S. Easily removed and replaced, the NEOGRIP is a fast and effective upgrade.
A: No. The rubber grip simply is pulled off the aluminum knob and the NEOGRIP is slid over the knob as a replacement. It takes all of 3 minutes to make the change.