Core product highlights Multi size high-precision expansion is equipped with four specifications of molds (3/16 inch/4.75mm, 1/4 inch/6.35mm, 5/16 inch/8mm, 3/8 inch/9.5mm), supporting 45 degree single expansion, double expansion, and bubble expansion, with high precision and no leakage at the interface. Project specification parameters Model SAE475 Mold dimensions 3/16 ", 1/4", 5/16 ", 3/8" (corresponding to 4.75/6.35/8/9.5mm) Expansion angle 45 degrees T-shaped handle length 6.3 inches (16cm) Suitable for soft metal pipes such as copper and aluminum Accessories list: 1 expansion tool body, 4 molds, 1 45 degree turret mold holder, 1 40CR steel pipe cutter, 1 plastic toolbox