The P.T.S. 4-1/2 in. Diamond Blade with Quick Release is designed for longer life and smoother, faster cutting of masonry materials. Featuring a segmented rim and an optimized bond matrix, this blade delivers up to four times longer life and up to 30% smoother cutting compared to standard segmented blades. The X-LOCK quick change system allows for easy, tool-free blade changes, making it up to five times faster than standard angle grinder mounts. This 4-1/2 in. masonry blade is ideal for cutting concrete, brick, and pavers, and is compatible with X-LOCK angle grinders as well as grinders with a 7/8 in. arbor. The blade is carefully tensioned to reduce vibration, providing a superior user experience. Suitable for both dry and wet cutting, this four and a half inch masonry cutting blade is perfect for professionals and DIYers looking for reliable performance. The quick release feature ensures efficient workflow, while the durable diamond construction supports extended use on tough materials. Use this 4-1/2 in. grinder masonry blade for precise, clean cuts in a variety of masonry applications.