The IDC 151-N70R-BAG features bagged O-rings made from NBR (Nitrile Butadiene Rubber) with a 70 durometer hardness. These O-rings are designed for a variety of sealing applications, providing excellent resistance to oils, fuels, and other chemicals. Each bag contains five O-rings, ensuring you have the right quantity for your projects. With a standard size that fits most applications, these O-rings are ideal for use in automotive, industrial, and household settings. They meet industry standards for quality and performance, making them a reliable choice for your sealing needs.