The Bessey Variable Screw Clamps offer flexibility with large clamping widths. They have tempered spindles which are particularly sturdy and wear-resistant. This considerably increases durability. The end fastenings on both sides can be loosened without tools, enabling rapid changeover of the sliding arm for spreading tasks. It is also possible to replace the sliding arms or to add additional sliding arms easily. The U-shaped sliding arms are made from forged tempered steel which guarantees the highest level of safety and can withstand extremely large loads. They have heat-resistant pressure plates which can be tilted up to 35° for angled or sloping surfaces. Clamping force: Up to 6,500N.The SLV150M Variable Screw Clamp has the following specifications: Opening: 1500mm.Throat depth: 120mm.Rail: 28 x 11mm.Weight: 5.25kg.