Macabs pipe clamps are available in three fixed sizes for the market common mast,
38 mm, 50 mm and 76 mm. And an adjustable clamp with stop screw. The adjustable with Art.nr: 5277507 handle mast from 50 mm to 76. Additionally, the adjustable 0-75 mm from the wall, which is a major advantage in uneven walls or when the mast for other reasons must be from the wall.