1pc Bearing Steel Cylinder, Rail Linear Shaft, Straight Round Linear Rod, 12mm Linear Motion Rod, with Resistant to Rust and Corrosion, for Automatic Machinery, Injection Molding Machine(500mm)(400mm): Amazon.com: Industrial & Scientific
500ml Large Syringe with 27.6 Inch Tube, Sterile and Individual Sealed, Plastic Garden Syringe for Liquid, Paint, Epoxy Resin, Oil, Watering Plants, Refilling: Amazon.com: Industrial & Scientific
Amazon.com: Still Spirits Turbo 500 Condenser : Industrial & Scientific
2PCs 8mm x 500mm (.315" x 19.67") Chrome Plated Linear Motion Rod,Aizilean INTERY Case Hardened Linear Motion Guide Rail Round Shaft for 3D Printer Parts- Metric h8 Tolerance: Amazon.com: Industrial & Scientific