Features 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 1004A 1 x GDW DS041MG Servo Motor 1 x Servo Motor Extension Cable 1 x ERCF Selector MicroSwitch 1 x ERCT LED Module 1 x ERCF Selector LED Module 1 x ERCT FPC Limit Switch Board 1 x ERCT PCB Limit Switch Board Cable 1 x ERCF LED PCB Light Board 1 x Encoder 1 x Encoder Cable 1 x 2020 T Slot Extruder 2 x 8mm Smoothly Rod 1 x D Cut 5mm Axle 1 x GT2 80T Gear 1 x Cutter Head Sensor MicroSwitch 9 x Extruder Gear Set 2 x Cutting Blade #4 17 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 M3x40mm 9 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 Screw 27 x M3 T Shaped Spring Nut 4 x M3 Washer 2 x M3 Nut 3 x M5 Nylon Locking Nut 3 x GT2 20T Pulley 1 x GT2 20T Toothed Idler 18 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 Clip 26 x ECAS Connector 6 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) 188mm 30 x 2.7mm Zipper Strap 1 x 7X7 Drag Chain 2 x PTFE Tube for Reverse Extruder 2 x PTFE Pipes from Other Places (Including ERCT) 1 x BTT MMB CAN V1.0 ERCF Control Board 2 x BTT EZ TMC2209 Driver 1 x Storage Box