How to change sphere radius in Blueprint?

I’m following the tutorial [here][1] on Projectiles. Around the 25s mark he adds a Sphere component then proceeds to change the radius in the Shape section. I have added the sphere but there is no shape section. What am I missing? How can I specify the exact radius of the Sphere SM?

What you have right now is a static mesh with a sphere as mesh. What you’d like to add is a sphere collision component (the thing that can handle the actual collision). You can change the radius of that one.