Good King 7-Drawer Heavy Duty Roller Tool Cabinet / Tool Trolley.. Key Factors Affecting Used Value Drawer Mechanism & Runners: Smooth opening/closing ball-bearing tracks without sagging or bending. Wheel & Brake Condition: Heavy-duty swiveling casters and locking brakes in working order. Cosmetic State: Dents, rust, or deep scratches on top surface and side handles. Tool Completeness: If sold as a fitted set, missing sockets, ratchets, or wrenches will lower the resale price.