At the same time, the height and position can be varied as required. A supplementary extension tube can be used for an even greater range. The clamping width of 0 to 48 mm allows the clamp to be attached to a wide variety of surfaces. The stable metal construction with high-quality plastic inserts guarantees a secure and strong hold. The cleverly shaped clamping parts allow the clamp to be used on smooth surfaces and round-shaped tubes.