They are #2 square drive screws, they just look like torques head because they are designed for speed so the square driver will fall in them quicker. Use a square drive on them.
Gary, December 2009
USE A #2 SQURE DRIVE BIT -
ROGER, September 2009
You can buy a driver at a trailer store or you can use a square 4 sided driver.
Don, June 2009
These torx are a pain always fit the ones you haven't got or have a job to get. If you know the trailer manufacturer get hold of them they may send one, not free of course. or Try www.toolspot.co.uk