Heat Shrink Gun Kit

We need help in selecting which Heat Gun and accessories we need to heat shrink clear tubing for electronics, 3/16", temp rating 105C

At my home office I use this one:
https://www.digikey.com/product-detail/en/nte-electronics-inc/HG-300D/2368-HG-300D-ND/11653416

On the assembly line at work I like this one (been using that model since 1980, only replaced every 10 to 20 years):
https://www.digikey.com/product-detail/en/apex-tool-group/6966C/6966C-ND/4502205

I’m sure there are more expensive units that can further reduce the number of seconds of labor required. Hopefully others will chime in with their favorites.