This Punch in conjunction with a suitable die and appropriate OP1 Punch will produce a Double OP2 SAE 45 deg Flare in 8 mm Copper, Cupro Nickel and Steel Brake Pipes
NB: To Produce the Double Flare you will also need the Single Flare OP1 Punch see below for link
Click for Suitable 8 mm OP1 Punch