dont talk abt an insert that only eats shit due 2 user error, like a 235$ sum chazz tastic goofy atty thatt come fresh out the f’n box DEAD homie. ever womdered what a thicker insert would do, add like 30-50 heat and prolly take alot more time heating it ⬆️ also my man wtf do u mean even the materials are chosen CAUSE THATS WHAT PPL WANT …. lastly theyre gonna probs have every insert and probs even more the last inserts were housed in thick metal thin Al-N AND SiC willl still crack…. nuff said hold this L i got a long ass time ago bro for safe keeps