Prong Snap  
Description:
Long Foot Version
Material: Brass 銅
Number:  B312   
Cap (面) B312H101:Ø 11.7mm
Socket (母) B312K101:Ø 11mm
Stud (公) B312D101:Ø 11mm
Post (底) B312C203:Ø 10.1mm Foot:0.5mm