New 18 x 1.5mm magnetic "Dimple" drain plug. Has a magnet 1435 times stronger than the OEM drain plug. Attracts all metallic contaminants and keeps them from harming your engine, transmission or final drive. Fits the engine drain on all K75, K100, K1100 bikes and K1200LT/RS bikes. Also fits the engine drain on all K1200GT bikes from 2003-2005 and the engine drain on all Airhead bikes. Fits the transmission drain plug on all R1150 bikes. Also fits F650 and F650ST bikes through 1999.