1.5 inch (39 mm). No. selling word combination lock (word combination lock refers to combination locks not using any numbers or symbols other than letters.). In a word: secure. Choose your own resettable word combination. 10,000 choices. Use words, not numbers. Award-winning product. Patented technology. Great for lockers and equipment. Instructions inside package. Limited Lifetime Warranty: See website for details: www.wordlock.com/customer-service. WordLock shall not liable for any incidental or consequential damages arising from lock failure or defects. www.wordlock.com. Made in China.