TAMIYA 8723 SWITCH LUBRICANT NET 10g . PREVENTS SPEED CONTROLLER ARCING . DESIGNED FOR USE ON R/C SPEED CONTROLLER TO PREVENT ARCING , INCREASE CURRENT FLOW AND LENGTHEN CONTROLLER LIFE . IF SPEED CONTROLLER BECOMES DIRTY WITH SAND OR DUST , WIPE CLEAN RE-APPLY THE LUBRICANT . DO NOT OVERSPRAY THIS LUBRICANT WITH ANY TYPE OF SPRAY LUBRICANT .