FlexPlate PRO Set - Black Textured PEI 510 x 510 mm - Double Sided V-Core 3 and the water jack is

and the water jack is high compression casting aluminium tube

You can find the Hybrid Upgrade Kit build guide here

1 300 – 2 x 310mm (one each side)*

and only so long as attribution is given to the creator

single output

FlexPlate PRO Set - Black Textured PEI 510 x 510 mm - Double Sided V-Core 3 and the water jack isDouble sided black PEI flexplate with fine textured, ultra sticky Ultem1000 (PEI) for perfect bed adhesion, reduced filament waste, and easy print removal. Simply flex the spring steel plate, and prints pops right off. Contents Double sided, Fine texture black PEI coated flexplate Magnetic sheet Features Magnetic and flexible PEI is one of the best surfaces you can use for printing Easy to use Fits most printers Strong and durable Printing surface max