Thank you for viewing. Here's the description: Brand: TIDEWAY Color: Red Style: Hole Saw Item Thickness: 1.2 millimeters UPC: 791280076167 [Size] LAIWEI Hole Saw, length 83mm, cutting diameter 50mm, blade thickness 1.2mm, shaft diameter 10mm, center drill diameter 6mm. [Material] The bimetal hole saw blade is made of high-quality cobalt-containing M42 high-speed steel, which provides excellent sharpness, corrosion resistance, wear resistance, and durability. The center drill uses high-grade steel with excellent machinability and toughness. [Features 1] LAIWEI's premium hole cutter achieves high cutting performance by electron beam welding premium high-speed steel (M42) and tough spring steel. This bonding interval reduces vibration during drilling, enabling high-precision machining. [Features 2] It uses a high-speed steel center drill with a spring to push out chips, reducing chip removal time. [Applications] For drilling holes in gypsum board, plastic, wood, plywood, thin iron plates, and thin aluminum plates. This hole cutter can be used for various drilling tasks, from plumbing and electrical work to professional sites, DIY, and home improvement. [Compatible Models] Electric drills, cordless drills. If precision is required, use a drill press or drill stand for drilling. [Precautions] Start cutting the hole saw at a low speed. Always hold the drill perpendicular to the material. Do not tilt the drill during processing. When cutting metal, work while applying cutting oil or water. Wear protective gear such as goggles and gloves during use.