Copper Creek EL6150SS Erin Grade 2 Cylindrical Lever Storeroom Ul, Satin Stainless Not Applicable Imported Standard duty Storeroom function Non handed lever Nickel plated solid brass bolts Satin stainless finish Box pack Commercial hardware Underwriters laboratory Grade-2 Length 4-1/2" Rosette 3 in Square corner latch 2-3/4" Other latches options Schlage c 6 pin keyway Kw1 5 pin optional Meets American national standards institute Meets builders hardware manufacturers association