Heavy-duty mechanical locks with a mortice latch, full-size lever, and code-free option.Medium duty tubular mortice latch with ‘anti-shim’ plunger. Latch retracts by turning the inside handle freely, or the outside handle after code input.Key Features:Large full-size lever handles with return to doorCode Free access optionSuitable for internal and external useTumbler alignment for easy code changeLarge three coil lever return spring suitable for high traffic useAvailable in stainless steel or polished brass finishNeoprene seals included2,047 non-sequential code combinations are availableMaterial: Zinc AlloyOrientation: VerticalCL510 model is non code-freeThe CL515 model provides a Code Free option. The outside lever will retract the latch freely until disabled.