CREATE TABLE table_6407 ("Feature" TEXT, "GT Force" TEXT, "Driving Force EX" TEXT, "Driving Force Pro" TEXT, "Driving Force GT" TEXT, "G25 Racing Wheel" TEXT, "G27 Racing Wheel" TEXT)

Driving Force EX of 25cm (10-inch) involves what feature?
SELECT "Feature" FROM table_6407 WHERE "Driving Force EX" = '25cm (10-inch)'
SELECT "Feature" FROM "table_6407" WHERE "Driving Force EX" = '25cm (10-inch)'