"90x19 - SET LENGTH MERBAU DECKING" are Merbau decking boards with a standardized size of 90 millimeters in width, 19 millimeters in thickness, and the length varies between 1.8M to 5.7M. This type of decking is used in outdoor construction, such as building decks and outdoor structures, and the set lengths can offer a more uniform and structured appearance when installed.
