Outstanding lifespan in abrasive materials! Laser-welded segments: the strongest connection with the steel core. Diamond cutting discs are a practical accessory for craftsmen and masons who need to cut bricks and aerated concrete blocks daily. The PRO Abrasive diamond cutting disc is extremely effective for use on construction sites and offers a long product lifespan. The durability of the PRO Abrasive is based on advanced design and high-quality materials. The diamond segments of the disc are laser-welded. Its low-friction design allows it to remove dust from the cut, thereby preventing wear on the side of the disc.