... location of drilling, 6-8mm drill hole depth of about 5mm. 5,expansion bolts: hammer the expansion screws, ... screw into the expansion screw, leaving the wall about 5mm or so distance.Maintenance note: 1,the mirror should ... also good. 5,to wear with soft cotton or cotton, wool worsted wiped to prevent rusting frames. ... can also use the convergence of make-up water or detergent. 7,with a dry cloth dipped in ...