Wera stainless steel bits are available individually and in bit-check sets. Bit-checks combine a wide range of functions in a compact form. Naturally, the bits are created for professional applications. Stainless steel bits do not compare when it comes to service life versus conventional bits made from alloyed steel.Wera stainless steel Nutsetters are used for hexagon headed bolts, screws and nuts. These nutsetters are made from 100% stainless steel to prevent rusting, are non-magnetic and feature a retaining spring preventing the nut from falling off.