6Pcs/Set Hex Drill Bit Rotary Tool Set Hose Expander for Air Conditioner Conditioning 7/8 3/4 5/8 1/2 1/4"

• Made of high-quality steel material, durable for use

• Expand the copper pipe to  interconnect when the air conditioner is installed

• It needs to be installed on a hand electric drill

• Pipe Expander only, other accessories demo in the picture is not included

Specification:

• Material: Carbon steel

• Size: 7/8(22.2mm), 3/4(19mm), 5/8(15.9mm), 1/2(12.7mm), 1/4(6.35mm)