Matching Trailer Ball Height To Trailer Coupler Height - Lexus RX300 2003 Owner's Manual

32R007
"
Trailer ball load rating
1
Ball diameter
2
Shank length
3
Shank diameter
4
3. When mounted in the ball mount, the threaded ball shank
must protrude beyond the bottom of the lock washer and nut
at least 2 threads. The trailer ball shank must be matched to the
ball mount hole diameter size.
Matching trailer ball height to trailer coupler
height
No matter which class of tow hitch applies, for a safe trailer
hookup, the trailer ball setup on must be the proper height for
the coupler on the trailer.
32R018
"
Coupler Trailer ball
1 2