Bessey GSH Classic Heavy Duty Lever Clamps are up to 5 times faster to use than regular clamps. The positive locking rachet action means it is unaffected by vibrations when appliances are in use and so will stay secured. The clamps also possess a strong high clamping force and are able to withstand up to 7,500N of force. SpecificationsClamping force up to 7,500NOpening: 300mmThroat depth: 140mmRail: 25 x 12 mmWeight: 2.27Kg Features and BenefitsQuick up to 5 times faster than regular clampsSecure unaffected by vibrationsStrong high clamping forceNon-slip trigger releaseClamping force up to 7,500N