Product Info Catalog Electrical & Lighting Electrical Accessories Switches Locking Switch Key, "I" Series, 10-Pk. Locking Switch Key, "I" Series, 10-Pk. Request a Quote UPC: 785007002409 Manufacturer: Pass & Seymour SKU: 587585 Model Number: 500K 10 pack, locking switch key, for heavy duty locking switch "I" series.