eMagTech 100 Pack Black Rubber O Ring Gaskets Sealing Washers 7mm x 4mm x 2mm for Fishing Rod Holder

["- Size: 7mm x 4mm x 2mm O ring rubber gasket structure for sealing and cushioning of small parts.","- Function: Provides sealing and cushioning at installation joints to help reduce gaps between components.","- Applications: Suitable for installation and maintenance of equipment such as fishing rod holders and other small machinery or assembly structures.","- Material: Elastic rubber construction suitable for sealing and cushioning during assembly.","- Package Quantity: 100 O rings for easy installation or spare replacements."]