The HONEYWELL part 15PA177-V7 is a high-quality accessory for MICRO SWITCH„¢ Miniature Basic Switches from the V7 Series. This accessory pack includes 500 varnished fiberglass insulator packets, each measuring 0.46 mm [0.018 in] thick. Designed to ensure reliable performance and durability, these insulator packets provide excellent insulation and protection for switches in various applications. Bulk packed for convenience, this accessory pack is a cost-effective and efficient solution for maintaining or upgrading your switch systems.