Brand: NITRA Item: Pushbutton IP Rating: IP65 Contact Type: Operator only Operator Type: Mushroom Barrel Size: 22mm Action: Key operated release Base Material: Plastic Bezel Material: Plastic Bezel Color: Black Operator Color: Red Operator Size: 40mm Operator Shape: Round Operator Material: Plastic Working Fluid: Air or inert gas NITRA pneumatic pushbutton, IP65, 22mm, key operated release, operator only, plastic base, plastic bezel, black, Operator: red, mushroom, 40mm, round, plastic.