Draper 230mm boat spirit level with magnetic base draper 69563 moulded from polystyrene with a magnetic strip in the base unbreakable all round reading horizontal vertical and 45 176 vials incorporates a v groove in the top and a hang hole accuracy 1 75mm per 1m 0 1 176 in standard position manufactured for draper tools by kapro display packed draper 69563 230mm boat spirit level with magnetic base