The Spitfire T shaped tools are based on the traditional T tools, have the same fittings and functions you’d expect with the added strength of being made fully from steel as opposed to metal fittings pressed into a plastic body. If you’re hard on tools, this is worth looking at.
~ Spit Fire metal T Skate Tool
~ 13mm, 12mm, 10mm spanner sizes
~ 3mm Allen key / Phillips head screw driver