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So when you have a bolt through a box section
Its very possible to overtighten the bolts for a trailer hitch for example and crush the box section (never reaching correct torque)
You can buy what i can only describe as a sleeve which sits inside the box section to help maintain rigidity and shape
But whats the technical name?
Im not coming up with much...
I just cant pin point it...
Can get a picture if needed
Ziggy
Its very possible to overtighten the bolts for a trailer hitch for example and crush the box section (never reaching correct torque)
You can buy what i can only describe as a sleeve which sits inside the box section to help maintain rigidity and shape
But whats the technical name?
Im not coming up with much...
I just cant pin point it...
Can get a picture if needed
Ziggy