Radiata N1 Grade H1.2 Timber 100 x 50mm SKU: 610437 MODEL: 610437AAAA Mitre 10 SAvailable at selected stores. Check your local store for details Variants Ideal for many projects around the home, suitable for indoor construction and areas protected from moisture. Features and benefits N1 grade timber. Rough sawn finish. H1.2 treated for internal use.