size：
● vertical distance from middle fingertip to wrist: 179 mm
● vertical distance from thumb fingertip to wrist: 98 mm
● maximum width of palm: 83 mm
● wrist height: 20 mm
● wrist diameter: 53 mm
● wrist rotation range: /-175 degrees
● thumb maximum bilateral open and close range: 0~31 degrees
● thumb maximum opposite open and close range: 0~50 degrees
● vertical distance from thumb fingertip to wrist: 98 mm
● maximum width of palm: 83 mm
● wrist height: 20 mm
● wrist diameter: 53 mm
● wrist rotation range: /-175 degrees
● thumb maximum bilateral open and close range: 0~31 degrees
● thumb maximum opposite open and close range: 0~50 degrees
