- Four M5 Nuts - Two 1.75 filament guide tubes. - Two MakerGear hotends. - Two M6x30 Bolts. - Various other nuts and bolts that are either already part of your printer or used to mount your extruder blocks. - One Printed Hotend Joint. - One Printed Hotend Mount. - One X-Bowden Carriage. - Two Printed Shoulder Mounts.