sorry,5/16TH & 3/8http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Fuel-Line-Filter-Tool-3-8%22-Autocraft_9010302-P_N3491_T|GRP2083_____
These are the ones I bought.They not only are for fuel lines but air cond. lines and work on many makes,Dodge,Ford,Gm but just a few.I do...