General description The Adjustable Hole Saw is a versatile tool designed for drilling holes in various materials such as plywood, wood, plasterboard, acrylic, and fiber cement boards. It features an adjustable diameter, allowing for drilling holes ranging from 30 mm to 120 mm, making it ideal for installations like spotlights and built-in speakers. Technical specifications Material: Chrome Vanadium Steel Color: Black Drilling diameter: 30-120 mm Maximum cutting depth: 30 mm Weight: 490 g Installation Ensure that the two pins are set to the same diameter before drilling. Check that all screws are tight before starting. Mount the hole saw on a drill with a hexagonal shank. Usage Hold the tool firmly during operation to avoid accidents. Turn off the power when replacing the drill bit. Use special tools to clean chips generated during drilling, do not clean manually.