Flaring Tool Kit for 1/4" - 3/4" Copper Pipe HVAC Flare Tool 45°Eccentric Tubing Flaring Tool with Pipe Cutter & Deburring Tool for Copper Brass Aluminum Pipes Refrigeration Air Conditioner Repair. The accuracy eccentric cone flaring tool produces 45 Degree flares in soft copper, brass, aluminum or stainless steel pipes.