Detailed Product Description Mortise Cylinder Solid Brass15/16, 1, 1-1/8, 1-1/4, 1-1/2, 1-3/8 lengths are availableAR, ST, SL., CL cams are available.US10B, US10, US3, US26D, US5, US15A finishes are available.5 pins or 6 pins tumbler, brass plug with polished brass.Schlage, Weiser, Kwikset, Yale, Arrow keyways are available.Rekeyable Cylinder,Box Packing.