OEM: 156T1978A. 4 Silver ON Tripper Units. For insta360 X4 Rotating Optical Plastic Anti Scratch Lens Protector. 4 Gold Off Trippers Units. 8 Fixing Screws. T100 Series, 1A219, 1A220, 1A573, 1A850, 2A208, 2A209, 2E021, 2EO22, 2EO23, 2EO25, 2E214, 2E258, 2E259, 2E351, 2E352, 2E353, 2E354, 4A213, 4EO23, 4EO24, 4EO25, 4EO26, 6X757, 6X759, 6X760, 6X767, 6X768, And 6X769.
