4 Pieces Custom Brass Flippers Fit for SRM 812 DIY Making Replacement Accessory

- Superior Brass: Made of high-quality brass cage + stainless steel balls, it has excellent ductility and long service life. - Size: Outer diameter 12MM; Inner diameter 5.1MM; Thickness 1MM; Ceramic ball 1.588MM. - What will you get: The package includes 4PCS Brass Flippers. - Premium Accessory: Lightweight and compact, it will not bring extra burden to your pocket knife. On the contrary, it will provide the best performance for your pocket knife. - Scope of application: This custom brass flipper fits for SRM 812.