... reduce friction Increased using life mould parts with high quality core holder 1.core holder material:s45c+ ... Slide retainters: Slide holding devices, Slide lock, 2 Latch lock units: Latch Lock,Parting lock set,lock plate, parting locks . Date insert ... Ejector Series: Ejector pin, Ejector blades ,Shouldered ejector pins,Ejectorsleeves, Leader pin/Guide pin, Guide bush, Angle pin,Shoulder guide bushing, ...