Twister Feed Tubes (Low rise and high rise?)

[AllOleander]

Are the Twister feed tubes (the ones that lock on your hopper) a low rise and high rise? are they like adjustable?

where can i find some info on these? how much are they..where can i get them? thx

[toadman7b22]

i think warpig did a review on them and you can pick from high rise or low rise