Vacuum Pumps, 5cfm Rhodium Plating Solutions These finished bronze post earrings

These finished bronze post earrings feature a bronze lightning bolt design on sterling silver ear posts and nuts

bright-finished bar design that extends into an "L" hook at the back

• Heavy #304 stainless steel (3mm thick) walls for long life

giving the ring the look of a hollow construction

the birthstone for April

Vacuum Pumps, 5cfm Rhodium Plating Solutions These finished bronze post earringsThis two stage, direct drive vacuum pump has a 1 2hp motor and 5cfm free air displacement pump. An excellent choice for use with larger casting machine operations or multiple machine set ups. Internal trap reduces risk of oil draw back. Draws 29 1 2" mercury (75cm) at sea level. Includes one pint (473ml) of oil.