10 mm T-handle hex key, 229 mm reach
t-handle
Use it
(import "parts/hand-tool/HT-T-HANDLE-10.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, shaft +z, transverse grip +x/-x; reach is the overall z length.