TracRac 44700 Tie Down Kit Plastic Set of 4 Tie Down Kit Tie-downs let you secure cargo quickly and easily Adjustable design just push loops along slots to position Secure loads by wrapping straps or bungee cords around the truck's cross bars first  then thread into the loops. Tie-downs let you secure cargo quickly and easily Adjustable design just push loops along slots to position Secure loads by wrapping straps or bungee cords around the truck's cross bars first  then thread into the loops.