Feather light yet ultra strong. Extremely lightweight, stable magnesium, fibreglass reinforced plastics, and cold-drawn BESSEY quality steel: this optimum mixture is characteristic of the innovative high-tech KliKlamp lever clamp. That\'s why the smallest KliKlamp weighs just a tiny 260 g simply ideal for assembly work or where several clamps are being used at once. The pressure is also built up easily and highly effectively: the VIBRAFIX ratchet mechanism lets you achieve a huge clamping force quickly with just 2 fingers. You certainly will never have clamped as quickly, easily or as gently as this! Weight starts from a tiny 260g.Sturdy fixed and sliding arms made from lightweight magnesium.Stepped, vibration-resistant VIBRAFIX ratchet mechanism. Your benefits at a glance: 1 Sturdy magnesium.The surface-coated fixed and sliding arms, made from sturdy magnesium, are extremely light and strong. 2 VIBRAFIX stepped ratchet mechanism.The multi-stage VIBRAFIX ratchet mechanism is easy to operate, vibration-resistant, particularly easy-to-control, and can be released quickly. 3 A secure hold.The fixed arm with the crossed v-grooves holds round, pointed or angular components firmly in place. This is part of what makes the KliKlamp so versatile. 4 Ergonomically shaped clamping arm.The ergonomically shaped clamping arm made from fibreglass-reinforced polyamide is breakproof and fits very snugly in the hand. Thats quality of the highest calibre.The Bessey KLI20 has the following: Clamping force up to 1,200NOpening 200mmThroat depth 80mmRail 20 x 5mmWeight 0.32Kg