Shirogorov F5 Silk Custom Division featuring a stonewashed Vanax 37 steel blade riding on their single row roller bearing system (SRRBS), milled and anodized blue titanium handles with milling done inside the handles to reduce weight, Shiros signature pivots and hardware, ridged zirconium backspacer with lanyard hole and matching zirc pivot rings, milled 3D titanium pocket clip with hidden hardware. Inside of scale engraved “Custom Division 569”. Preowned but in mint condition this F5 flips like a dream and is buttery smooth when closing. Ships in original box with signed build card.