3D Printer Controller Board RAMPS 1.4 Arduino Mega Shield RepRap Prusa Model it is mainly designed for the purpose of using pololu stepper driven board (similar to 4988 driven board). RAMPS can only work when connected to its mother board Mega 2560 and 4988/DRV8825. Owning to its stability in operation and great compatibility with most 3D printer.
This is the New Starter Kit, specially for those beginners who are interested in 3D printers. You will have a complete set of most common and useful electronic components.
Lead Screw Material: 304 Stainless Steel. Length: 400mm. Diameter: 8mm. 4 Start Lead Screw. Brass Nut Size: 10 x 13 x 22 mm. Mainly use for Stepping motor driving guide rail. T shape design, made of high-quality stainless steel material. Easy to install and convenient to use.