Set of 12 Tape Measures Key Chains 40 inch 1 Meter Features 12 Key chain measuring tapes  Each can measure up to 40 long/1 Meter Includes Locking switch for accurate & easy measurements - Metal construction for durability Ideal for schools and homes for prizes - Great for party favors too Durable key ring feature makes it easy to take anywhere - Convenient and lightweight Safety tested & approved  Lets start measuring!