Panel seal (IP65) compatible; For use with toggle switches basic lever M12 bushing; Machine tools, transportation equipment, construction, civil engineering equipment, food machinery, etc.; Compatible products: M12 small toggles; Waterproof cap color: black; Base diameter: 0.7 inches (18 mm); Head diameter: 0.3 inches (8 mm); Height: 0.9 inches (23 mm); Mounting hole dimensions: Φ123 mm); Compatible models: S-S 1A-7A, S-1B~7B, S-1F-3F, S-21A, S-21B, S-31-39, S-31F-33F, S-41-49, S-41F~43F, S-114, S-116, S-301-309, S-301T-309T, S-331-339, S-3333331T-33 9T, S-331F-33F, S-421-429, S-421T-429T Cap: Silicone rubber; Nut: Brass. COD Payment, Designate Delivery Time, and Store Counter PIckup are not available. Thank you for your understanding.