Replacement key cut to code RH39 – fits Trimark, Better Built, Delta, Knaack, and Perko locks Crafted on durable Y11 key blank for accurate and smooth fit Great for truck toolboxes, storage cabinets, and utility compartments Key arrives pre-cut and ready to use – no locksmith necessary Manufactured in the USA by The Lock Doctor LLC for trusted performance High-quality replacement key cut to code RH39, designed to fit lock systems from Trimark, Better Built, Delta, Knaack, and Perko. This key is cut on a Y11 blank for accuracy and reliability, and is ideal for toolboxes, storage compartments, and vehicle cabinets. Each key is precisely cut by The Lock Doctor LLC for a perfect fit, offering an affordable solution to lost or broken keys without needing a locksmith.