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 0.63 in Maximum Load Sideways Shear 12 lbf Thread Size 5/16 In.-18 Includes - Isolator Material Rubber Mounting Compression Resistant To Abrasion Stud or Tap Material Grade 5 Yellow Zinc Plated