... tube sizes: 6, 8, 10, 12, 14, 19mm ; 1/4'', 3/8'', 1/2'', 5/8'', 3/4''Features: a. Automatic location ... assemble d. Quick lock e. Environmental friendly Li-ion battery, 1.5AhWe also supply below related products:Refrigerant charging scaleHalogen leak ...