Wera bit check 30 wood 1 with ringmagnet rapidaptor long life bit set is designed for compact and organized tool storageutilising a unique combination of special material hardening and precision manufacture torsion bits are designed to prevent premature wear for improved service life the bits are designed for driving screws into normal construction timbers and materials through hardening creates a much harder wearing bitthe clever ringmagnet rapidaptor bit holder holds up to 8 200mm sc