Pack of 10, M4 x 30mm Phillips slot drive combo bolts. These are the most common size for kitchen handle and knob fittings. - Phillips / slot drive head means easy fitting and tightening. - M4 diameter thread is the most common for handle / knob fittings. - 30mm length is most common for knob / handle fittings. - High quality screws/ bolts with zinc long life coating. ~~ Fast and free delivery included as standard~~