HD-9 series lift Castor kit

[chevy2]

Does anybody on here the castor kit for the HD-9 series lift ? if so what is the size of the castors?

 

[chevy2]

anyone?

 

[Crusty Nut]

A few have them and from reading about them, it sounds like they aren't all the great. Hard to push, sometimes bending, ect.
I don't know the caster size.

 

[chevy2]

Thanks, For the cost + shipping I was thinking I could make mine i was just curious on the size of castors & if I could get some measurements.