【IDEAL SIZE】with a diameter of 4.5" (115mm), segment thickness of .068" (1.73mm), arbor hole of 7/8" (22.23mm), and reducer washers of 16mm (5/8") and 20mm (4/5"), perfectly tailored to meet your cutting requirements. 【Advanced Diamond Technology】NEWTACNA diamond cut off wheel delivers over 5,000 cuts for metal, offering significantly lower cost per cut compared to traditional bonded cut-off wheels. 【Enhanced Safety and Durability】 Built with a solid steel body to minimize breakage risks, and equipped with diamond cutting edges that reduce sparks, dust, odors, and overheating for a safer, longer-lasting performance. 【Easy to Install and Operate】Designed for quick and user-friendly installation, this diamond cutting wheel is ideal for efficiently cutting standard steel structures, metal pipes, and galvanized steel. 【Multipurpose Cutting Application】Engineered for strength and precision, this versatile metal cutting blade is perfect for working on rebar, steel, iron, and INOX. The with a diameter of 4.5" (115mm), segment thickness of .068" (1.73mm), arbor hole of 7/8" (22.23mm), and reducer washers of 16mm (5/8") and 20mm (4/5"), perfectly tailored to meet your cutting requirements.