The WordLock is the best trunk combination lock on the market. Instead of numbers, you use words as your combination. Create your own word combination and set it. You can change the word combination as often as you like, and its easy to do. Words are easy to remember, numbers are easy to forget. This lock provides 100,000 word and letter combinations. Please note: This lock is made for Rhino Armor Trunks or Rhino Sticker Trunks only.