The IDC 012-N70R-BAG includes 12 high-quality O-rings crafted from NBR (Nitrile Butadiene Rubber) with a hardness rating of 70 durometer. These O-rings are essential for creating effective seals in various applications, particularly where exposure to oils and chemicals is common. Each O-ring is manufactured to precise specifications, ensuring a perfect fit for standard connections. Their robust construction allows them to withstand pressure and temperature fluctuations, making them suitable for automotive, industrial, and plumbing uses. This bagged set provides a convenient solution for maintenance and repair tasks.