Cr Touch Auto Bed Leveling Sensor Kit For 32 Bit V4.2 By Creality. Product Details Package Include: CR Touch Auto Bed Leveling Sensor,Capricorn PTFE Teflon Tubing 1M, Aluminum Extruder?4* Premium Metal Bed Springs, 2*PC4-M6 Pneumatic Fittings, 2*PC4-M10 Fittings, 2*0.4mm Nozzle. Compatible: This CR Touch fits for Creality Ender3 v2/Ender3/Ender3 Pro/Ender5/Ender5 Pro/CR-10 with 32 bit v 4.2.2(4.2.7) mainboard.Notice:Just for 32 bit motherboard printers. Easy firmware installation:Simply download the CR Touch firmware from the Creality Official Website and save the file to your printer?s memory card. Insert the card in to your printer. Turn on the printer and wait a few seconds for the firmware to install. Enhanced leveling with precision of +/- 0.005mm. This allows for easy leveling with pinpoint accuracy. This bundle includes Capricorn PTFE Teflon Tubing which is enhanced with a proprietary blend of high performance additives. It was developed specifically for 1.75mm filament with an extremely precise 1.9mm 0.05mm internal diameter. Reduces the ""wiggle room,"" or buckling, inside the tube, allowing you to print flexible filaments even on the longest Bowden systems.The aluminum extruder is lightweight and strong, ensuring a more even feed rate over time . Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.