The kryptonite new york fahgettaboudit chain and padlock is the ultimate chain lock for high theft areas with 14mm six sided chain links made of triple heat treated boron manganese for the ultimate strength in a chain narrow inner width of individual links defends against leverage attacks includes maximum security new york disc lock with 14mm hardened steel shackle hardened steel sleeve over crossbar for double security double deadbolt locking for extensive holding power sliding dustcover