eoocvt 2pcs 12mm Pillow Block Cast Housing Mounted Ball Bearings Micro Vertical Bearing

Linear Motion 12 mm Shaft, 13" Length, Chrome Plated, Case Hardened, Metric

Thomson QS 12 MM 500, Quick Shaft, 11.99 / 12.00 mm Diameter, Class MM, Carbon Steel, 60 Rockwell C Min., 500 mm long

4pcs Nema 23 Stepper Motor Steel Mounting Bracket with Mounting Screws

uxcell 8mm to 12mm Shaft Coupling 45mm Length 32mm Diameter Coupler Aluminum Alloy Joint Motor for 3D Printer CNC Machine DIY Encoder

OctagonStar Flexible Couplings 5mm to 8mm NEMA 17 Shaft for RepRap 3D Printer or CNC Machine（2PCS）

Cable Matters 100 Pack Cat 6 / Cat6 RJ45 Modular Plugs for Solid or Stranded UTP Cable / RJ45 Plugs

Pack of 4Pcs SK12 SH12A 12mm Linear Rail Shaft Support Block for Cnc Linear Slide Bearing Guide Cnc Parts

uxcell Aluminum XL 40 Teeth 12mm Bore Timing Belt Idler Pulley Flange Synchronous Wheel for 10mm Belt CNC

ELEGOO UNO R3 Board ATmega328P ATMEGA16U2 with USB Cable for Arduino RoHS Compliant

BEMONOC 2GT Timing Pulley 20 Teeth 6mm Bore fit GT2 Belt Width 6mm and 3D Printer Parts