6x20mm Cartridge Works with E3D, Dragonfly, Dragon, Mosquito, and many other hotends
50W @ 24V - Extremely Fast Heatup
1m Length Fiberglass Wire - With extra protection
I use these on most of my farm - They work great!
Caution - Use a copper block or other alloy that can withstand 450C plus in case of controller MOSFET failure - Standard aluminum blocks can melt if there is thermal runaway