A kit comprising: a cabinet base; and an adjustable leg (35, 36) for supporting a cabinet, the leg comprising: a first component having an attachment structure for attachment to a cabinet and a first threaded element integral with and extending from the attachment structure, the attachment structure comprising at least two lugs projecting away from the first threaded element; and a second component comprising a second threaded element threadedly engageable at one end of the second component with the first threaded element, a foot located at the opposite end of the second component, and a driving formation whereby the second component can be engaged by a tool and driven to rotate, the driving formation being located inboard of the thread of the second threaded element; the first and second components having a single threaded engagement and being configured so that when they are threadedly engaged the driving formation is accessible through the first threaded element; the cabinet base defining (i) a hole therethrough and (ii) a first set of at least two sockets on its underside for receiving respective ones of the lugs, the sockets being positioned relative to the hole such that when the leg is attached to the base with the fixing lugs located in the sockets the driving formation is accessible through the hole; wherein the external diameter of the second threaded element is greater than the diameter of the hole. a cabinet base; and an adjustable leg (35, 36) for supporting a cabinet, the leg comprising: a first component having an attachment structure for attachment to a cabinet and a first threaded element integral with and extending from the attachment structure, the attachment structure comprising at least two lugs projecting away from the first threaded element; and a second component comprising a second threaded element threadedly engageable at one end of the second component with the first threaded element, a foot located at the opposite end of the second component, and a driving formation whereby the second component can be engaged by a tool and driven to rotate, the driving formation being located inboard of the thread of the second threaded element; the first and second components having a single threaded engagement and being configured so that when they are threadedly engaged the driving formation is accessible through the first threaded element; the cabinet base defining (i) a hole therethrough and (ii) a first set of at least two sockets on its underside for receiving respective ones of the lugs, the sockets being positioned relative to the hole such that when the leg is attached to the base with the fixing lugs located in the sockets the driving formation is accessible through the hole; wherein the external diameter of the second threaded element is greater than the diameter of the hole. a first component having an attachment structure for attachment to a cabinet and a first threaded element integral with and extending from the attachment structure, the attachment structure comprising at least two lugs projecting away from the first threaded element; and a second component comprising a second threaded element threadedly engageable at one end of the second component with the first threaded element, a foot located at the opposite end of the second component, and a driving formation whereby the second component can be engaged by a tool and driven to rotate, the driving formation being located inboard of the thread of the second threaded element;