Cylindrical Vibration Isolator, Vibration Isolator Style One Tapped Hole and One Threaded Stud, Maximum Load Downward Compression 31 lbf, Overall Diameter 0.63 in, Height 0.63 in, Stud Length 0.5 in, Maximum Load Sideways Shear 4.5 lbf, Thread Size 1/4 In.-20, Includes -, Isolator Material Rubber, Mounting Compression, To Abrasion, Stud or Tap Material Grade 5, Yellow Zinc Plated