Case Yellow Synthetic Chrome Vanadium TrapperLock No. 00111This Trapperlock is a part of the Yellow Synthetic Family. The distinctive yellow handle brightens this family while maintaining its toughness, making it one of the most beloved in the Case line. The Trapperlock is born from the legendary Trapper but with one blade and one hand opening performance incorporated by a thumb stud. The engraved thumb stud is fixed by a torque screw allowing for better control and the liner lock enables the one hand opening