Can anyone tell me what type/name of the key is needed in this screw? (Romeo 2)

[Messias_019]

 

[Jase_nz]

Lens Replacement Wrench

Lens replacement wrenchLens exchange tool for ROMEO2

www.linegear-japan.com

 

[Jase_nz]

Romeo 2 Lens Tool

Utilize this high quality German-made tool when working on your Oakley Romeo 2 X Metal sunglasses. No stripped screws!

oxm.parts

 

[Jase_nz]

I think it may be a T5? But whatever you do don't buy a **** one from ebay or Amazon for $1 if you ruin those threads your frame is ruined. Those ones that come in the packets with cheap lenses throw them away and use a good one. I use wiha and they are awesome