Materail : New ABS case , carbon steel 55' , water-base painting Graduation : inch , mm , inch ... carbon steel , water-base painting 2. New model , new design of the case surface , a wouldful grip feeling3. only one locker easy ... :2mx16mm,3mx16mm,5mx19mm,5mx25mm,7.5mx25mm,10mx25mm New ABS material case steel tape measure