Lasts up to 1.5x longer than a Bosch Eco for Universal cutting disc - For professionals on the construction site, an all-purpose diamond cutting disc is indispensable. We have made the PRO Multi Material Diamond Cutting Disc strong enough that it can penetrate through any material. Advanced design features ensure the PRO Multi Material lasts longer than traditional diamond cutting discs. Low friction segments minimize wear on the side of the disc and quickly remove dust from the cutting area - for long-lasting performance. With 25.4mm bore, suitable for 20mm bore holes with reducing rings