Feature: 1. 8 Channel Version: This kit is an 8 channel version with ERCF, ERCT, and ERF accessories, simplifying multi material management for 3D printers and ensuring seamless printing. 2. Excellent Components: Adopting EBB MMB motherboard and EZ2209 driver program for accurate control. Upgrade EE SX1103 sensor PCB for stable monitoring. Pre crimped cable ensures stable connection and simplifies maintenance. 3. Efficient Consumables Loading: Using GDW DS041MG servo, the torsion can achieve up to 3.5kg/cm, achieving efficient consumables loading. 4. High Performance: The NEMA17 motor is equipped with upgraded gear set and Gates RF belt to enhance performance. Premium gears, reliable and lasting. 5. Compatibility: Only compatible with 3D printers using for Klipper firmware. Featuring our FPC soft limit switch board design. ERCT buffer module can achieve automatic filament supply. Specification: Item Type: ERCF Kit Material: Alloy Steel, Aluminum Alloy, ABS Features: 8 channel version with ERCF ERCT ERF accessories, simplifying multi material management for 3D printers, ensuring seamless printing Compatible 3D Printer: Compatible only with 3D printers using for Klipper firmware. Package List: 2 x NEMA17 Motor 42STH20 1004A1 x GDW DS041MG Servo Motor1 x Servo Motor Extension Cable1 x ERCF Selector MicroSwitch1 x ERCT LED Module1 x ERCF Selector LED Module1 x ERCT FPC Limit Switch Board1 x ERCT PCB Limit Switch Board Cable1 x ERCF LED PCB Light Board1 x Encoder1 x Encoder Cable1 x 2020 T Slot Extruder2 x 8mm Smoothly Rod1 x D Cut 5mm Axle1 x GT2 80T Gear1 x Cutter Head Sensor MicroSwitch9 x Extruder Gear Set2 x Cutting Blade #417 x Bearing (2 x LM8UU or RJ4JP 01 08, 8 x 608ZZ, 1 x V623ZZ or 623ZZ, 6 x MR85ZZ)24 x Self Tapping Screw (3 x M2x6mm, 21 x M2x10mm)141 x SHCS (21 x M2x10mm, 1 x M2.5x16, 1 x M3x6mm, 74 x M3x8mm, 6 x M3x12mm, 18 x M3x16mm, 9 x M3x20mm, 9 x M3x25mm, 2 x M3x40mm9 x BHCS (5 x M3x8mm, 1 x M3x16mm, 2 x M5x30mm, 1 x M5x16mm)6 x FHCS (5 x M3x8mm, 1 x M3x20mm)44 x M3 Threaded Insert (M3x5x4mm)12 x M3x3mm Set Screw27 x M3 T Shaped Spring Nut4 x M3 Washer2 x M3 Nut3 x M5 Nylon Locking Nut3 x GT2 20T Pulley1 x GT2 20T Toothed Idler18 x Circular Nd Magnet (2 x 2x2mm, 16 x 6x3mm)10 x Ball Bearing (9 x 5.5mm, 1 x 7mm)2 x Compression Spring (1 x 1.0x6x12mm, 1 x 0.5x4x15mm)26 x ECAS Clip26 x ECAS Connector6 x MicroFit Connector Plug (4 x 4 Position 43640-0401, 2 x 5 Position 43640-0501)6 x MicroFit Connector Socket (4 x 4 Position 43645-0400, 2 x 5 Position 43645-0500)60 x MicroFit3 Sale (30 x Female 43030-0007, 30 x Male 43031-0007)6 x GT2 Belt 6mm (Opening) 600mm 1 x GT2 Belt Ring (6mm Wide) 188mm30 x 2.7mm Zipper Strap1 x 7X7 Drag Chain2 x PTFE Tube for Reverse Extruder2 x PTFE Pipes from Other Places (Including ERCT)1 x BTT MMB CAN V1.0 ERCF Control Board2 x BTT EZ TMC2209 Driver1 x Storage Box Note: This is a multi color printing kit based on ERCF for V2 project. Users are required to assemble and adjust the kit. Assembly difficulty is medium low, tuning difficulty is medium high, involving for SSH, for Klipper configuration. Official documentation is available in English only. This kit is compatible only with 3D printers using for Klipper firmware.