The Makita 4-1/2" Thin Kerf Diamond Blade, Segmented, General Purpose (E-23260) is for use with Makita 4-1/2" battery angle grinders and saws as well as competitor 4-1/2" models (sold separately). The thin kerf blade reduces drag on the tool motor to optimize battery run time. The Thin Kerf Diamond Blade delivers up to 80% more cuts per charge than competitive blades, and up to two times faster cutting when compared to standard blades. The E-23260 features a u-shaped notch in each segment that efficiently ejects dust from the work area for a smoother and faster cutting experience. It features an optimum bond matrix that provides a faster, longer-lasting, and smoother cutting diamond blade with a max RPM of 12,200. It is engineered with high-quality diamonds and is ideal for dry or wet cutting for added versatility. The Thin Kerf Diamond Blade is engineered for a smoother and faster cutting experience while cutting masonry materials including concrete, reinforced concrete, block, pavers, and brick.