The Makita Comet Rapide series is designed for fast cutting of hard materials like concrete and brick. These long-life diamond cutting discs are suitable for wet or dry cutting. This disc includes a reduction ring which makes it suitable for use on machines that take 25.4mm or 20mm bore sizes. Features and Benefits • Segmented rim diamond cutting disc • Designed for fast cutting in hard materials • Suitable for wet or dry cutting • Long life Specifications • Diameter: 400mm • Bore Diameter: 25.4mm / 20mm • Thickness: 3.2mm • Segment Height: 10mm