The SECUNORM MULTISET is a respected member of the legendary PROFI family. It adopted the name "MULTISET" due to its unique property: a multi-'set-able' blade length. Ultimately, it's up to you to decide how long the blade should extend: 5, 9, 14, 19, 24 mm, the options are varied. Depending on your needs, you can adjust the blade length. Your needs change? SECUNORM MULTISET can change with you!