BIGTREETECH Direct CR10S PRO Hotend MK8 Hardened Steel Nozzle Upgrade KIT Precision Aluminum Heatsink Titanium Block 3D Printer Hotend for CR 10S PRO

Packing list: CR10S PRO Hotend Kits including: CR10S PRO Nozzle+CR10S PRO Heatsink+Titanium Alloy Heat Break+ Heater Block+Silicone Sock ? CR10S PRO Hotend Kits Material:Aluminum Fit to nozzle:MK8 Nozzle Compatible with:6*20MM Heater Compatible with:100K NIC 3950 Thermistors ? CR10S PRO Nozzle Size:13mm"8mm Material: A2 Hardened Steel Weight:2g Diameter:0.4MM Diameter tolerance:?0.01mm Thread outer diameter: 6mm ? CR10S PRO Heatsink Material: Aluminum&All Metal Colour: silver 1. Smooth inner wall 2. High quality, special for CR10S PRO upgrading extruder 3. High-strength metal, Strong and Durable ? Titanium Alloy Heat break Material: titanium alloy Colour: silver 1. Good corrosion resistance 2. High Heat/Wear resistance 3. Finer processing 4. Smooth inner wall 5. High quality, special for upgrading extruder ? Heater block Size:20*20*10MM Colour: silver Material: Aluminum High quality, special forCR10/CR10S PRO upgrading extruder If you are facing PLA clogging problem?please try the followings: 1. Increase the retraction speed. The speed may have being  limited in the firmware try to change it. G-command "M203 E200" 2. Increase the extruder  acceleration.  check your firmware settings. G-command "M201 E9000" 3. Reduce the retraction length.it depends on your machine setup. 4. Increase the nozzle temperature by 5-10 degrees. 5. Do not install the 2 screws for support the heatblock like the stock hotend on the     CR-10 printer. 6. Make sure that there is no gap between the heatsink and the heat breaker.