The Kramp SE8015 O-ring assortment box provides a comprehensive selection of 240 ORFS (O-Ring Face Seal) O-rings, specifically designed for hydraulic applications. These O-rings are made from NBR (Nitrile Butadiene Rubber) with a hardness of 90 Shore A, ensuring excellent resistance to hydraulic fluids and high-pressure environments. The kit includes 12 different common ORFS O-ring sizes, neatly organized in a durable plastic box for easy storage and identification. This genuine Kramp assortment is essential for maintenance and repair, offering reliable sealing solutions for various machinery.