60pcs Saddle Spacers, 19 * 6 3/22 4/25 4 mm Black Plastic Spacer Washer, Washer Assortment Kit, Standoff Support Spacers Washers, Insulation Spacer, for M3/M4 Screws

1.【QualityMaterial】: Spacers are made of plastic, tough, abrasion-resistant, corrosion-resistant, lightweight, insulating, aging-resistant, long service lIfe 2.【Wide Application】: Plastic washers are suitable for a variety of equipment and instruments. They can be used for iron pipes, stools, chairs, bookcases, shelves, fitness equipment and other equipment 3.【Package Included】: The package contains 20 pieces of 19*6*3 mm saddle spacers, 20 pieces of 22*6*4 mm saddle spacers, 20 pieces of 25*6*4 mm saddle spacers 4.【Easy to Use】: Turn the curved end of the gasket towards the surface of the round tube and tighten the screw until the spacer disc is in close contact with the round tube. The installed seal serves as a fastening mechanism to prevent accessories from coming loose or falling off 5.【Three Sizes】: Spacer discs for the standoff support are available in three sizes. Select the closest size based on the installation item. If you come across accessories that are slightly larger, you can lightly tap the seal with a hammer until the installation is successful