The New Ridgid AC24J14 - 14-Piece Oscillating Multi-Tool Blade Accessory Kit is a durable and versatile set designed for cutting through various materials such as wood, masonry, cement, and concrete. With a sturdy black blade made of wood material and a high-quality oscillating saw blade design, this kit includes 14 different blades to suit all your cutting needs. The RIDGID brand ensures reliability and performance, making this accessory kit a must-have for any workshop or tool collection.