Premium Material: Made of high-quality material, our time switch trippers are rustproof, corrosion resistant and not easily decompatiblemed. Wide Compatible: Our time switch replacement is compatible with Intermatic time switch models, like T100 Series, 1A219, 1A220, 1A573, 1A850, 2A208, 2A209, 2EO21, 2EO22, 2EO23 and more. Time Switch Replacement Kit: The set of time switch replacement includes 5 ON Time Switches, 5 OFF Time Switches and 10 screws. Long-Lasting: Compared with other similar products, our metal time switch trippers can be used compatible a long period of time, no need to worry about decompatiblemation. Easy to Use: Please loosen the fixing screw on the trip unit, slide the trip unit to the timer dial compatible on/off action at the required time, and then tighten the fixing screws. Item Name: Time Switch Kit Material: Metal Features; Rustproof, Corrosion Resistant, Long Lasting Size Details: L: 2.5cm/0.98", W: 1.1cm/0.43" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 5 x on Time Switches5 x off Time Switches10 x Screws