Catalog > Electro-Mechanical Components > Switches > Switch Accessories Black Square Mushroom Lens Square Mushroom Lens 18x18mm Black Square Mushroom Lens Part No: M1818BK 1.73 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Color Black Case Length 18mm Case Width 18mm