Bay Fastening Systems Trigger Switch Assembly, For Use With: Tool Model 12142, 206-375, 2580, 2580-12, 2580-25, 2600, 2600-12, 2600-16, 2600-16-12, 2620, 2620-15, 2620-PT, 2620-PT-15, 2624, 2624-15, 2624HS, 2624-PT, 2630, 3585, A2620-PT, BTT57, BTT57R-DT, HPT57RH, HSSFT-M10, SF20, SF32, SF46, SFBTT15, SFBTT20-DT, SFBTT20-IT, SFBTT20-ST, SFBTT46-32