Tube benders *For:1/4",5/16"&3/8"size O.D. tubing. *Material: Al alloy body *Can ... .4mm thin tube without distortation CT-368-180°-AFor:1/4",5/16"&3/8" size O.D. tubing. CT-368-180 ... °-M For:6mm,8mm&10mm size O.D.tubing Note: (1)Aluminum ... any point,can bend 0.4mm thin tube without distortion.(3)Calibrated marking for making accurate left-hand,right-hand,and ...