Marshalltown M620 Masons Line 87m (285ft) - White The Marshalltown M620 Masons Line is used for staking out sites before concreting, landscaping or laying bricks and blocks. M620 Features: Heat set after winding to stabilize Not affected by mortar, oil or mildew, will not absorb water For staking out sites before concreting, landscaping or laying bricks and blocks Core 4" (100mm) M620 Specification: Length : 285 ft (85.5m). Colour : white What is included: 1 x Masons Line 87m (285ft)