Toothpick Pressurized ballpoint pen (with a retractable version on smaller models, and can be used to set DIP switches) Stainless pin Digital clock / alarm / timer / altimeter / thermometer / barometer Three Victorinox SAK models had a butane lighter: the Swissflame, Campflame, and Swisschamp XXLT, first introduced in 2002 and then discontinued in 2005. The models were never sold in the United States due to lack of safety features. They used a standard piezoelectric ignition system for easy and quick ignition with adjustable flame, and were designed for operation at altitudes up to above sea level and continuous operation of 10 minutes. In January 2010, Victorinox announced the Presentation Master models, released in April 2010. The technological tools included a laser pointer, and detachable flash drive with fingerprint reader. Victorinox now sells an updated version called the Slim Jetsetter, with "a premium software package that provides ultra secure data encryption, automatic backup functionality, secure web surfing capabilities, file and email synchronization between the drive and multiple computers, Bluetooth pairing and much more. On the hardware side of things, biometric fingerprint technology, laser pointers, LED lights, Bluetooth remote control and of course, the original Swiss Army Knife implements – blade, scissors, nail file, screwdriver, key ring and ballpoint pen are standard. **Not every feature is available on every model within the collection." In 2006, Wenger produced a knife called "The Giant" that included every implement the company ever made, with 87 tools and 141 different functions. It was recognized by Guinness World Records as the world's most multifunctional penknife. It retails for about €798 or $US1000, though some vendors charge much higher prices. In the same year, Victorinox released the SwissChamp XAVT, consisting of 118 parts and 80 functions with a retail price of $425. The Guinness Book of Records recognizes a unique 314-blade Swiss Army-style knife made in 1991 by Master Cutler Hans Meister as the world's largest penknife, weighing . Locking mechanisms Some Swiss Army knives have locking blades to prevent accidental closure. Wenger was the first to offer a "PackLock" for the main blade on several of their standard 85mm models. Several large Wenger and Victorinox models have a locking blade secured by a slide lock that is operated with an unlocking-button integrated in the scales. Some Victorinox 111 mm series knives have a double liner lock that secures the cutting blade and large slotted screwdriver/cap