Insulator Battery Stud Internal 2.5kw - 5.5kw OSGR - M10 ID; 30mm Long x 25mm Wide (16614, 16651, 16656, 16658, 16824, 16830, 16882, 16896, 16967, 16990, 17100, 17101, 17118, 17198, 17215, 17283, 17286, 17290, 17292, 17301, 17302, 17304, 17306, 17311, 17313, 17348, 17357, 17359, 17362, 17365, 17374, 17376, 17377, 17378, 17379, 17380, 17384, 17385, 17388, 17390, 17391, 17392, 17393, 17394, 17399, 17462, 17548, 17600, 17609, 17611, 17612, 17613, 17614, 17622, 17630, 18155, 18180, 18181, 18190, 18197, 19746, 19747, 19910)