This Punch in conjunction with a suitable die will produce a Single OP1 SAE 45 deg Flare in 3/16" Copper, Cupro Nickel and Steel Brake Pipes.
4.75 mm DIN Single OP1 Flare Punch for Sykes Pickavant Brake Flaring 270 Series
Brake Pipe Flaring Tool 3/16" SAE and 1/4" SAE Single Double Bubble Brake Flares
Professional Brake Pipe Flaring Tool 3/16" & 1/4" SAE Single and Double Flares