This product is an optional accessory, compatible with: 

MK3.9MK4XL

Replacement heatbed tile for the Original Prusa XL. The entire heatbed of the XL printer consists of 16 individual tiles.

XL

Quality Swiss/CR10 style Silicone sock.

High quality v6 Titanium Alloy Heat Break.

This is a high quality titanium heat break.

A complete, high quality, all-metal v6 Volcano hotend.

High quality machined v6 Heat Block. Supports cartridge style thermistor.

High Quality MK8 Swiss Style Makerbot Heat-Break.

This product is the replacement part of the Calibration Pin for the Original Prusa XL

XL

High Quality Hemera heat break. M4 threaded cold-side, M6 Threaded hot-side.

High Quality, Bi-Metal "All-Metal" Heat-Break.

A very high-quality Plated Copper Heat Block. Resistant to high temperatures, not easily deformed, and has excellent heat transfer capability making it ideal for high temperature printing.

This product is the replacement Hotend heatsink, compatible with: 

MK4XLMK3.9MK4SMK3.9S

Quality v6 Silicone sock.

This is a high quality, titanium & copper alloy bi-metal heat-break.

High quality Swiss Style MK10 All-Metal Upgrade Kit w/ 0.4mm Nozzle.