28 in, Stud Length 1.76 in, Height 2.Vibration / Shock Absorption Mount, Vibration Isolator Style One Threaded Stud, Maximum Load Downward Compression 259 lbf, Overall Diameter 2.46 in, Maximum Load Sideways Shear 468 lbf, Thread Size M12, Durometer 40A, Isolator Material Natural Rubber, Maximum Operating Temperature 176 Degrees F, Mounting Conveyor, Resistant To Abrasion; Wear, Shape Conical, Stud or Tap Material Steel.