Torx T50 L-key, long series, 156 mm long
torx
Use it
(import "parts/hand-tool/HT-TORX-T50.ik" as p)
In a design on ink: ask your agent for it by name, or by what it must be.
Frame of reference
Engagement tip z=0, crest +x; working long leg +z; outside long dimension = long, outside arm dimension = arm; other tip x=arm-A/2.