1x6x
1x6x is a designation commonly used in the lumber industry to describe a piece of wood with nominal dimensions of one inch thick by six inches wide. The 'x' indicates that the length is variable and will be specified separately when ordering or describing the material. This lumber size is a standard offering and is produced from various wood species, including pine, fir, spruce, and hardwoods.
The actual, dressed dimensions of a 1x6x board are typically smaller than the nominal size due to