* Pool timer pins fit for Intermatic time clocks models T101, T102, T103, T104 and 102-20, 104-20, T104M, T104R ,T101M ,T101R. * Replacement on and off trippers kit for time switch compatible with all Intermatic time switch models in T100 series: 1A219, 1A220, 1A573, 1A850, 2A208, 2A209, 2EO21, 2EO22, 2EO23, 2EO25, 2E214, 2E258, 2E259, 2E351, 2E3 52, 2E353, 2E354 , 4A213, 4EO23, 4EO24, 4EO25, 4EO26, 6X757, 6X759, 6X760, 6X767, 6X768 and 6X769. * [EASY TO INSTALL] Simply remove the fixing screw of the pool timer, then place the ON/OFF tripper in the desired position on the time dial, and finally tighten the fixing screw. * Constructed with upgraded materials that are not prone to corrosion and rust. Metal material does not deform easily. * Includes 2 gold trip units, 2 silver trip unit and 4 fixing screws.