For those who have the K3 and want to upgrade the knob, the only thing you need to order is the Neoprene Soft Grip Ring - p/n NEOGRIP The underlying knob is the same as used on the K3S. 73, Don W3FPR On 1/17/2017 4:51 PM, lmarion wrote: > Ditto that, the K3s/KPOD knobs are deluxe!