Name: Polyurethane rodMaterial: Polyurethane (PU)Size: 20mm, 25mm, 30mm, 35mm, 40mm;Length: 500mmPackaging quantity: 2pcs polyurethane rods.Attention: The polyurethane rod has a positive and negative tolerance of 2 millimetersApplication areas: Suitable for shock absorption pads, blocks, springs in metallurgy, mining, petroleum, automotive, building materials, sports, heavy machinery, and large stamping equipment, as well as making punching molds for various metal plates and pipes. The friction of general mechanical equipment plays a buffering or shock-absorbing role, with mold springs.