Rocket R58 Style Lever Activator - Walnut (C)1 x Rocket R58 Style Lever Activator As these handles are manufactured in timber, the exact grain pattern will differ. Timber components require maintenance & care. Walnut American black Walnut is a medium to large hardwood, native to the eastern regions of North America. Its heartwood ranges from a golden to rich chocolate brown colour sometimes with narrow streaks of a darker purplish brown. Sapwood is a distinctive creamy white colour. American