The Olympus/National Cabinet Re-keying Kit is a high-quality kit that is specifically designed for professional locksmiths. It is manufactured in the USA and includes everything you need to rekey Olympus and National cabinet locks. The kit comes with OEM design pins, .101 diameter pins, 22 sizes for Olympus locks and 24 sizes for National locks, and .101 diameter springs. It also includes 100 pieces of each size, providing plenty of pins and springs for multiple rekeying jobs. The kit is packaged in a heavy-duty metal box with a leak-proof lid, and has extra room for your rekeying tools. Keep your Olympus and National cabinet locks functioning properly and avoid the hassle and expense of replacing them with the Olympus/National Cabinet Re-keying Kit.