Slayer Style Group Handle - Black Heart SassafrasA single Slayer style group handle in Black Heart Sassafras See all our timber kits here As these handles are manufactured in timber, the exact grain pattern will differ. Timber components require maintenance & care. Black Heart SassafrasAtherosperma moschatum, the southern sassafras or blackheart sassafras, is an evergreen tree native to the cool temperate rainforests of Tasmania, Victoria, and New South Wales in Australia.