works for inverted zerk fittings fantastic onestep product i use so much large quantities is the only good product good price but still works fine used with grease gun for some hard to perfect have a ram and need to lube the front drive shaft this is the right tool for the job five stars bends very easily two stars great filter wrench for ford 7 item description needs to be clearer this wrench is five stars good for straight nozzle linear bearing perfect for speedplay pedals this worked perfect i was trying to use a needle tip