Cone-Cushion SpindlesExcellent for clamping into drilled holes, slots, or corners. Molded neoprene tip provides medium clamping force with some compensation for part-size variation. Also provides scratch-free clamping. Spindle is fully threaded for maximum adjustment range. Assembly includes two jam nuts.MaterialMaterialHeat TreatFinishDFARSRoHSMild Steel-Zinc plated clear chromate, with molded-on neoprene cushion, durometer hardness 70 shore A, operating temperature range -40°F to 220°F✔✔Parts SpecificationA ThreadBC Diameter (Inch)D#10-321-3/89/160.40