Product information：
Material: Stainless steel
Height: about 45mm / 1.77in; 50mm / 1.97in; 55mm / 2.16in
Size: 7/8 (22.2mm) 3/4 (19mm) 5/8 (15.9mm) 1/2 (12.7mm) 3/8 (9.5mm) 1/4 (6.3mm)
Colour: Black
Quantity: 6pc/set
Instructions for use: Install on a manual electric drill, after installing the air conditioner, unfold the copper pipe to connect the two copper pipes

Package:
Expander*6