Husqvarna ELITE-RING R45 Husqvarna-developed ring blade and drive disc. A drive disc is included with every Ring blade. Developed for fast cutting in universal construction materials, with a focus on hard materials like granite and hard concrete. The design of the segment provides a reduced contact surface in the concrete. This gives a quick start in a controlled manner, when applying a new blade. Packaging Height: 0.591 in Packaging Length: 14.961 in Packaging Width: 14.961 in