Cylindrical Vibration Isolator, Vibration Isolator Style One Tapped Hole and One Threaded Stud, Maximum Load Downward Compression 50 lbf, Overall Diameter 1 in, Height 3/4 in, Stud Length 0.5 in, Maximum Load Sideways Shear 15 lbf, Thread Size 1/4 In.-20, Includes -, Isolator Material Rubber, Mounting Compression, To Abrasion, Stud or Tap Material Grade 5, Yellow Zinc Plated