The wera bit check 6 stainless 1 sb torsion bit set is is designed primarily for stainless fixings to keep rust at bay weras stainless tool range prevents extraneous rust caused by use of conventional tools contaminating stainless fasteners the tools are ideal for the construction food medical and marine industries weras unique vacuum ice hardened process gives the necessary hardness for industrial applications utilising a unique combination of special material hardening and precision manufact