Silverline Adjustable Hole Cutter With Cowling 40 - 200mm Dia Cowl with two cutters for wood, plastic, plasterboard, aluminium, brass and acrylic sheets Cutter arm has diameter graduations at 5mm intervals Cowl reduces debris and risk of injury from flying particles Includes hex key, 1 pair of TCT-tipped blades, 1 pair of carbon steel blades, lip and spur bit, and TCT-tipped masonry drill Maximum 500rpm. <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.