... /4, 1-3/8, 1-1/2" with CT-107 tube cutter and CT-208 reamer3) CT-300M metric, expander heads ... , 19, 22, 25, 28, 32, 35, 38mm with CT-107 tube cutter and CT-208 reamer4)CT-300A-L:3/8 ... "~1-5/8"5)CT-300M-L:10~42MM Hydraulic Tube Expanding Tool Kit