Torque Drive Bolts/Screws MG TF Front Seats

Can anyone please help me. I wish to swap the Front Seats and Seat Belts on my MG TF. As you may know all fixings appear to be Torque Drive. Does anyone possibly know what size the fixings are. All the bits I own are too small so need to purchase a suitable tool.



Also if possible a good place to buy such a tool.



Many Thanks

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