6 pinch clamps for securing inside mount tonneau covers. Also available in a 4 pack (search ASIN: B09RTMHNQ8).
Take measurements of your truck bed for the Tonneau Cover purchase. Clamp specifications: A = 1/4" to 5/8" Jaw Opening, B = 1 1/2". The shoulder bolt protects against damage to the aluminum. NOTE: If you need a wider Jaw Opening (Dimension A) of 1/2" to 3/4", look for ASIN: B09RTLGVL7.
Made in the USA with 6000 series structural aluminum to ensure quality and strength.