Safety Hammer 1:Alarm and flee in trouble and emergency 2:Power supply:2AA batteries 3:LED:red-lighted ITEM NO:Function: life hammer and belt cutting SiZE (CM): 19*3.9 WEIGTH: 140gMATERIAL: 46#carbon steel,zinc-plating,ABS CTN SIZE CM: 49*43*34cm G.W.KGS:17.5N.W. KGS:16.5 cixi shibo car parts co. ltd provide safety hammer ,.. protection,lowest price