Cylindrical Vibration Isolator Vibration Isolator Style Two Threaded Studs Maximum Load Downward Compression 185 lbf Overall Diameter 1.5 in Height 1 in Maximum Load Sideways Shear 45 lbf Thread Size 5/16 In.-18 Isolator Material Rubber Mounting Compression Resistant To Abrasion Stud or Tap Material Clear Zinc Plated Grade 5