Brief： Analog Torque Wrench (SQ)

ceramic measuring head ,metal casing & handle ,compact &firm structure,     convenient & stable operation 2. 3V environmental lithium battery ,battery life>1year 3. Three different alternative measuring head types 4. Measurement for the thickness of jewelry,leather,metalfilm,paper,rubber,fabric,and various metal panel,glass               sheet ect http://www.shcaliper.com/。