USB3.1TYPE-C plastic shell, USB A male plastic shell (single glue is also OK, better internal mold)
USB A male case Dimensions: width 15.9x thickness 6.9x length 17.7mm, shell hole: OD4.5, end hole 3.9mm
TYPE-C shell Dimensions: width 12.0x thick 6.6x length 18.0mm, shell hole: OD4.5, end hole 3.9mm
SR inner hole: OD3.5mm/3.0mm/2.6mm