LabeLed Reagent BottLe, 500mL, Screw cap size: 33-405. SpeciaLLy designed poLypropyLene pouring Lip, impossibLe for a drip to form. NaturaL poLyoLefin cap Liner provides a tight seaL and protects the pouring surface from dust and dirt.
KidWind Wind Turbine Hub, ten-pack of 12-hole crimping hubs, made from recycled plastic, allows you to turn any DC generator into a wind turbine, Diameter: 2.25 in, Maximum number of dowels: 12, Size of shaft hub press fits onto: 2 mm