GMS K001 knob lever lock cylinder. Cylinder is designed to fit in most commercial grade knob and lever locks. Solid brass cylinders are drilled 6 pin. Includes multiple tailpieces for different applications. Satin aluminum finish. Includes 2 brass key. Keyway options: CB Corbin 60, CL4 Corbin L4, RD1 Russwin D1, SA Sargent LA, Sargent RA, SX Schlage C-K, SCE Schlage E, SCF Schlage F, WR Weiser E, YA Yale 8 and YGA Yale GA.