High-Quality Oil Resistant NBR Rubber Flat Washers Size: Inner Diameter (ID): 1/2" Outer Diameter (OD): 1 1/4" Thickness: 3/16" Durometer: 60 +/- 5% Pack Options: Available in 6, 12, and 24 packs Versatile Applications: Excellent as vibration dampers, spacers, springs, or gaskets Suitable for use with various types of fasteners Support for Threaded Fasteners: Particularly beneficial in the construction industry In compressors, they absorb vibration and seal fluid and liquid connections Absorb shocks and insulate electric motors Ideal for Various Industries: Benefit plumbing, heating, ventilation, and air conditioning systems Useful in pools, boats, and other aquatic products exposed to water Insulate against electric charges in electronic and thermal applications Shock Absorption and Nonabrasive Qualities: Absorb shocks, making them great for use as rubber spacers in machinery with moving parts Nonabrasive qualities ensure scratch-free products throughout their lifetime High-Quality Rubber Spacers: 100% Customer Satisfaction Guarantee Fast and Free Shipping