Hakko 999-205-01 - Loc-Line Kit with Round Nozzle Hakko’s Loc-Line kit is a flexible segmented hose allowing the hood to be placed close to the work. Loc-Line kits are available with a round or rectangular nozzle. “B” models also include the B3621 adapter for connection of the Neoprene duct to the Hakko FA-430 fume extractor.Please see the “In the box” section of the page for a complete listing of included items. Fume extractor sold separately.