A stone-paved path leads to Morezmore Studio.
Inside you find:
Humanly Posable Armature (HPA) Parts
Aluminum Round Tubes (HPA Head and Arm Modules)
Pack of 10
Size: 5/32 inch Dia (same as #103 by K&S Engineering)
Length: 30 mm (1.18")
Humanly Posable Armature General Info and Instructions
The listing offers tubes only. Other parts on the photos are shown for illustration purposes and are available for purchase in other listings.