This is the 12725th most frequent Russian word.
крабовых
"Crab" (adjective), relating to crabs.
In this sentence, 'крабовых' accompanies 'палочек' to modify it as 'crab sticks', describing the type of sticks involved.
Я купил два килограмма крабовых палочек.
I bought two kilograms of crab sticks.
Here, 'крабовых' describes what type of sticks ('палочек') the salad is made from, emphasizing the ingredient's origin.
На обед у нас был салат из крабовых палочек.
For lunch, we had a salad with crab sticks.
In this case, 'крабовых' is used to specify the type of sticks whose taste is being referred to.