Untitled Document 10 mm SAE Double OP2 Flare Punch for Sykes Pickavant Brake Flaring 270 Series This Punch in conjunction with a suitable die and appropriate OP1 Punch will produce a Double OP2 SAE 45 deg Flare in 10 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 10 mm OP1 Punch.