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 kli klamp lever clamp thats why the smallest kli klamp 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