5 reversible keys Non-corrosive interior parts Patented anti-pick pin system: Neutral experts confirm high picking resistance is achieved with well-balanced measurements between bottom pins and counter pins High precision manufacturing: Top quality materials utilized to produce brass body and cylinder plug, bronze pins, brass mmushroom pins, sntered steel cam and rustfree springs giving trouble-free use with long life Handy key: No sharp edges, reversible key allows easy operation of the lock, even in the dark 5 reversible keys Non-corrosive interior parts Patented anti-pick pin system: Neutral experts confirm high picking resistance is achieved with well-balanced measurements between bottom pins and counter pins High precision manufacturing: Top quality materials utilized to produce brass body and cylinder plug, bronze pins, brass mmushroom pins, sntered steel cam and rustfree springs giving trouble-free use with long life Handy key: No sharp edges, reversible key allows easy operation of the lock, even in the dark