Blue Spot 22133 Double Flaring Tool Kit 4 Piece Features and Benefits: Manufactured from carbon steel for increased durability. Produces SAE flares on 3/16″ and 4.75mm pipes. Suitable for use on steel and nickel copper pipes. Can also produce a single flare. Supplied in robust plastic case for easy storage. Contents: 3/16″ Double flaring tool, Positioning bolt, Double ended OP1/OP2 punch, Punch grease