i just opened mine also. last year i went out of my to go to a harbor frieght in n.c. on my way home trom a trip. bought all they had 18 pkgs. not crazy over them but they will do for $1.99. first pkg both blades damamged. second pkg blade was chipped 3rd so far so good. now there are 2 harbor freights near my house and to think i went out of my way.