Bernstein spannfix screw on vices bernstein 9 225 this bernstein 9 225 spannfix screw on vice is suitable for use with larger or heavier work pieces on benches with a maximum thickness of 100mm 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 bernstein 9 225 spannfix maxi screw on