This is redesigned cooling block for Wanhao i3 with the following improvements:
- Slotted Clamping system
- No set screw to ding and damage thermal tube
- Significantly better heat transfer (this is a big one!!!)
- Easier disassemble and adjustments
- Tight control on bore diameter
This cooling block will work with original PTFE lined hotend, and with our Micro Swiss MK10 Allmetal Hotend kit.