Complete Kit for Recessed Lighting Installation: Package includes 6 inch hole saw,4 inch hole saw, dust bowl, hole saw arbor, 1 replacement drill bit and hex key for a complete and ready-to-use set.<br> Bi-Metal Construction: The 6-inch hole saw and 4-inch drill hole cutter feature bi-metal construction with high-speed steel teeth and flexible steel bodies, ensuring long-lasting sharpness and precision when cutting through drywall, wood, and thin metal.<br> Less Mess with Effective Dust Collection: The heat and wear- dust bowl captures over 95% of debris when drilling in ceiling drywall or plasterboard, keeping your clothes and preventing it from spreading onto the floor.<br> High Efficiency: The deep gullets on the sides of hole saw provides removal, and the geometry funtional slot on the bottom of hole saw provides easy plug removal.<br> Simple to Assemble & Use: Just assemble the hole saw, insert the arbor into the dust bowl's center, and attach it to your electric drill. The user-friendly design ensures quick and accurate drilling with minimal effort.<br> Colour:As Shown<br> Material:Metal+Plastic<br> Package Contents:<br> 1set * 6.25 hole saw<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.