Buffer shock absorption: It plays a certain role in the work of the equipment to buffer shock absorption and protect the shaft and related components Strong resistance to deformation: subjected to a certain external extrusion or impact, can be quickly restored to the original state, maintain sealing performance Contain in the order is: 1pc of Nitrile Oil Pads with Double Lip Shaft outside compatibility: can be good with a variety of materials and outside treatment of the shaft Strong extrusion resistance: under pressure, it is not easy to be squeezed out of the sealing part, Manufacturer: LLMWFA