The Victorinox Classic SD Emergency Blade Swiss Army knife is a retired keychain-sized model with a letter opener/emergency blade instead of the regular pen blade.
Buy on SmartknivesSize & Weight: The Victorinox Classic SD knife is 58mm (2¼") long, 17.6mm (.7") wide, and 8.8mm (.35") thick. It weighs about 21.1 grams (.7 oz).
Colors: The Classic SD Emergency Blade comes in
standard red. Some advertising knives come in other colors.