Compatible for 3 Combo 3D printer. Color:Black For S1-Cutter Replacement Guide: Tools:S2.0 Hex key Disassembly Steps: Step 1: Turn off the device Before replacing accessories, make sure to turn off the printer and disconnect the power cord to safe operation. : Disassemble the Cutter Disassemble the print head module housing, unplug the model cooling fan connection line, and remove the housing. Use the S2.0 Hex key to unscrew the cutter assembly fixing screws. Take out the cutter assembly and be careful of scratches. Step 3: Replace the cutter assembly Replace the cutter assembly and fix it with an S2.0 Hex key.(When arranging wires, the wires to the right) Connect the housing cooling fan connection line and install the print head module housing. Material:plastic Package Contents: 2 * Filament Cutter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.