Cylindrical Vibration Isolator, Vibration Isolator Style Two Threaded Studs, Maximum Load Downward Compression 75 lbf, Overall Diameter 1.25 in, Height 3/4 in, Stud Length 0.5 in, Maximum Load Sideways Shear 12 lbf, Thread Size 1/4 In.-20, Isolator Material Rubber, Mounting Compression, To Abrasion, Stud or Tap Material Grade 5, Yellow Zinc Plated