The filter thread size of Nikon AF-S Nikkor 24-120mm f3.5-5.6G ED-IF VR is 72mm.
Below are links to the filters that we recommend you to consider for your Nikon 24-120mm f3.5-5.6G ED-IF VR:
Read our detailed Nikon AF-S Nikkor 24-120mm f3.5-5.6G ED-IF VR Review