Carbide Grit Holes Saw Cutting Plaster Drywall Ceiling Sheetrock, Green, Hlofizi HLOFIZI 6-3/8 hole saw for recessed lights cutting edge easily cuts through lath and plaster, drywall, plaster. Carbide grit hole saw creates a great perfect hole for the lights, and wont' tear material and will leave a clean finish. Goes through the plaster without breaking down and gets through the wood lath behind it 1-1/8 in. cutting depth Lightweight design makes the tool easy to handle 6-3/8-in. is ideal for 6 inch recessed light installations Continual rim helps provide clean cuts Strong durable back plate Carbide grit edge for abrasive materials Kit Includes: 1 pc x 6-3/8-in. Hole Saw 1 pc x Arbor 3 pcs x High-Speed Steel Pilot Bit Please kindly note: it is important to keep dust out of your eyes and especially when you are drilling into concrete board. LONG LIFE - Hard tungsten carbide grit hole saw edge for a longer life in abrasive materials. Open back design allows for quick and easy plug removal FAST EASY CLEAN CUTTING - HLOFIZI 6-3/8 Hole Saw for Recessed Lights allows for smooth cut hole in ceiling plaster and dry wall. Continuous rim for clean cut without chips or cracking the plaster PERFECT HOLE SIZE - Solid welded construction helps provide accurately sized holes for recessed lighting, leaves just enough space that 6" can light fixture fits MULTI-APPLICATION - Perfect cut through drywall, plaster, lath and plaster, wood and stucco.This hole saw for plaster for any recessed light installation job Satisfactory Service: If our HLOFIZI Carbide Grit Holes Saw you received is defective or unsatisfactory. We sincerely apologize and will definitely send you the new ones in no time. We appreciate all your remarks and comments. They are the key tools to develop and improve our handmade and heartcrafted products