This product is made specifically to hold 1" ladders and but is also compatible with 1" tubes, the strong grip is intended to prevent objects from falling, sliding, and rattling.
Made of Delrin/POM (Polyoxymethylene), a more expensive material than PVC and is superior in its durability and strength.
Abrasion resistant, non-conductive, non-corrosive and non-magnetic.
The 60 lbs grip is to prevent objects from falling, sliding, and rattling.
Customers that wish to have clips that provides more give and flex, please refer to: https://www.amazon.com/dp/B07PK5FG24?ref=myi_title_dp