Lot of (4) Rubber Vibration Isolator Mounts 3/8-16 x 1-1/8" Length Male Studs (Rubber 2" Diameter x 3/4 Height). Provides excellent noise and vibration reduction. Package Includes: 4 Isolation rubber mounts. Can be used on/in: Water pumps Construction Automobile Electronic components Medical equipment Home appliance Mechanical equipment Office facilities Aviation Air compressors Diesel engines Gasoline engines and may more applications.