I have been using a heat gun for the past 10 years. I went through 2 during that time (mostly just by melting them). I just got this all metal one last month and so far it has been great. https://www.amazon.com/gp/product/B00MAB805Y/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1