The lightweight 29g design ( per tool) combines ergonomic handling with industrial durability, making complex disconnects manageable even in compact engine bay space for most skill levels Crafted with precise molded ABS, the burr less edges ensuring smooth operations during quick connector disassembly while protecting delicate fuels lines and AC components from scratches This 7 piece AC line disconnect tool set features multiple size ( 1 / 4 " to 7 / 8 ") for comprehensive automotive repair tasks, perfect for HVAC systems and fuels line removal across various vehicle models Streamlines refrigerants line replacements in auto repair shops or tackle home garage projects involving modern vehicle HVAC systems and pressurized fuels line connection Ideal for professional mechanics and DIYer enthusiasts seeking reliabled automotive maintenance tool for frequent AC servicing or fuels systems repairs in workshops, Manufacturer: XIBEIDIANZI