VEVOR - Linear Rail, Ballscrew x 3, RM1605-350mm 650mm 1050mm x 2 Linear Rail Support, 12 CNC Kit Linear Shaft Optical Axis - Silver

The listing is for supported linear rails SBR20-300/600/1000 mm rails (6 supported rails+12 SBR20UU bearing blocks), 3pcs of ballscrews RM1605-350/650/1050 mm-C7 (3 screws + 3 ball nuts + 3 end-machinings ), 3 sets of BK/BF12 (with locknuts and cir-clips) and 3pcs of flexible couplings. Move smoothly without deflection, minimal wear, and low noise.