GMS M118-SC 26D 1-1/8" brushed chrome mortise cylinder. Cylinder assembled with standard cam (Yale Standard Cam), and supplied with optional A/R (Adams Rite) cam. Supplied with 2 keys per cylinder. Please specify keying when ordering. Normally stocked keyed in pairs (KA2) - CYLINDERS SOLD EACH. When ordering keyed alike in pairs (KA2) - order multiples of 2.