Bit-Check 12 Wood 1Product Description: Wera Bit Check 12 Wood 1, with Ring Magnet Rapidaptor long life bit set is designed for compact and organized tool storage. Utilising 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 bit.