What common feature is shared by wood shingles in terms of size?

Wood shingles are indeed commonly noted for being made in random widths rather than uniform ones. This characteristic allows for a more natural and aesthetically pleasing look when installed, as the varied widths create a distinct appearance on a roof or sidewall. This randomness helps to enhance the texture and visual interest of the shingle installation, and it accommodates various design styles.

While other options might suggest specific manufacturing standards, wood shingles do not adhere strictly to uniform widths like other roofing materials might. The option noting standardized lengths of 36 inches also does not apply universally, as wood shingles can come in various lengths to suit different applications or design preferences. Therefore, the feature of having random widths is integral to the traditional craftsmanship and aesthetic of wood shingle roofing.