These are Fish's Crawler parts SLW pattern wheel adapters. These will allow you to bolt your favorite SLW pattern wheel to your remote.

Made for m3 screw size

We do not take responsibility of added stress or weight to your remote.

Futaba fits:

7px

4pv

4px

May fit more we are not 100% sure

Sanwa fits:

MT4

May fit others, we are not 100% sure