• Perfect protection: custom protective cover for Bosch battery contacts. • Provides complete protection against damage and corrosion during transport and cleaning. • Rubber plugs protect the battery ports from dirt. • Plug and secure: slide the pin cover onto the battery contacts. • Small investment for comprehensive protection. • Set of 4 protective covers to ensure 100% protection. • Hole in the handle to attach with a carabiner to a keychain, backpack, or belt. • Made with durable TPE material, offers reliable protection in any weather. • Compatible with Bosch battery models: Active Line, Active Line Plus, Performance Line, and Performance Line CX.