Torx T10 screwdriver bit, 1/4 in hex shank, 25 mm long

torx

Use it

(import "parts/hand-tool/HT-BIT-TX-T10.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.