J1928BBK CJRB Riff Button Lock BlackThe J1928BBK is a mid size button lock folder built around a 3. 5" black PVD coated AR RPM9 stainless blade, pairing corrosion resistance with solid edge retention in a compact 4. 75" closed package. The black G10 handle with extended tang offers reliable grip texture and durability for daily carry, while the pocket clip and lanyard hole provide carry flexibility. This is a straightforward EDC tool that handles general cutting tasks without fuss,