Dsnaduo Rubber Expansion Plug (1-5/8 Inch to 1-3/4 Inch ) 41mm - 44mm，2-Pack Neoprene Expansion Plug Replace Automotive Engine Expansion Plugs 58254, 570-010 auspowers_batchfour over- charge protection

over- charge protection

Also compatible with all contact chargers

Perfect for home theater systems

It has a 20-degree pressure angle for lower contact ratio between gears

cotton paper filter

Dsnaduo Rubber Expansion Plug (1-5/8 Inch to 1-3/4 Inch ) 41mm - 44mm，2-Pack Neoprene Expansion Plug Replace Automotive Engine Expansion Plugs 58254, 570-010 auspowers_batchfour over- charge protectionDsnaduo Rubber Expansion Plug (1 5 8 Inch to 1 3 4 Inch ) 41mm 44mm2 Pack Neoprene Expansion Plug Replace Automotive Engine Expansion Plugs 58254, 570 010 Neoprene stopper that provides a mechanism to make it expandable. A tight fit will keep them from working their way out. Rubber Expansion Plug (1 5 8 Inch to 1 3 4 Inch ) 41mm 44mm2 Pack Neoprene Expansion Plug Replace Automotive Engine Expansion Plugs 58254, 570 010 Product Features Replacement