25MM (5 balls)

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it helps deliver smooth

Manual measurement tolerance is 2-5g

12V 20A 250W Switching Power Supply AC to DC Converter for 3D Printers, CNC Engraving Machines, LED Lighting & CCTV Systems Fashion 25MM (5 balls)Product Description: Power your electronic projects and industrial equipment with this 12V 20A 250W Switching Power Supply. Designed to convert AC power into a stable 12V DC output, this high performance power supply delivers reliable and efficient operation for a wide range of applications. Featuring an integrated cooling fan, durable metal housing, and multiple screw terminals, it provides stable power for 3D printers, CNC engraving machines, LED