NISSAN 2013 Frontier - Owner's Manual - Manual (Page 415)

CAUTION
● Install only one cleat per section of
channel.
● Applying loads at angles to the cleats
greater then 45° or loads greater than
150 lbs. (header and floor channels) or
200 lbs. (side channels) may cause
damage to the channel or bed.
LTI0106
9-20 Technical and consumer information