Bernstein spannfix screw on vices bernstein 9 205 esd this bernstein 9 205 esd spannfix screw on vice is suitable for use on work benches with a maximum thickness of 80mm all spannfix clamping vices have a ball and socket joint which is easily rotatable and means the vice can be fixed for use in any direction slight pressure on the lever is sufficient to fix the workpiece into position this esd version with a surface resistance between 107 and 108omega offers the highest possible safet