Draper expert combination square with magnetic lock draper expert 89476 b i expert quality i b cast zinc body milled on five sides for greater accuracy six internal earth magnets negate the need for adjustment screws on steel rule stock incorporates spirit level and magnetic scriber steel rule blade is graduated mm 1 16 one side and mm 1 32 on the other supplied with belt pouch manufactured for draper tools by kapro display packed with try me feature on pack draper expert 89