Specification Brand : Bondtech BulletPoint1 : This extruder upgrade is for Prusa MK2 or Prusa MK2S BulletPoint2 : Includes Bondtech Drive Gears: This kit is for users that also require the Bondtech Drivegears BulletPoint3 : Save weight and print faster: This kit contains the necessary parts to convert to our newly designed extruder with 3:1 gearing ratio for better precision and resolution together with optimized geometry for the heatsink cooling and many other cool features. I also lowers the moving weight to reduce ghosting and vibrations. BulletPoint4 : Light weight stepper motor included BulletPoint5 : This extruder will fit the stock MK2 and Mk2S carriage’s and also other popular designs like MK3, Vecko, Zaribo and Bear. Color : Black CompatibleDevices1 : Laptop CompatibleDevices2 : Smartphone ConnectivityTechnology : USB ExternallyAssignedProductIdentifier : 7350011410934 ExternallyAssignedProductIdentifier1 : 0658099081778 ExternallyAssignedProductIdentifier2 : 658099081778 ItemName : Genuine Bondtech Prusa I3 MK2/2S Extruder Upgrade (EXT-KIT-62) ItemPackageDimensions_Height : 16.002 centimeters ItemPackageDimensions_Length : 10.5156 centimeters ItemPackageDimensions_Width : 11.6078 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : 3d-printer-extruders Manufacturer : Bondtech ModelNumber : EXT-KIT-62 NumberOfItems : 1 PartNumber : EXT-KIT-62 ProductDescription : With the new Add-On this kit also supports MK3s filament sensor. Original Part-cooling fan is replaced. A FDM-printed filament sensor cover is included. The E-steps needs to be updated to 415 for MK2, MK2s and MK2.5 and is easy to do by downloading this g-code file, put it on the SD card and select to print the file esteps.gcode which will set the esteps and save it. For MK3 it needs to be 830 as it uses 32 bit microstepping. ProductSiteLaunchDate : 2021-07-16T16:54:48.221Z Size : 1.75mm / 0.3mm SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 44103100