Uxcell M2.5 Cone Cup Washers, Anodized Aluminum Gaskets for RC/FPV/PC/Drone Accessories, Pack of 50 (Red)

What is this?Aluminum Gaskets  are decor for Screw RC/FPV/PC/Drone/Mechanical Accessories Model Parts, etc.What will I get?Screw Gasket,is in size of:Washer dimensions,Outer diameter:9.0mm/0.35 inch;Hole diameter:2.5mm/0.1 inch;Thickness:3.0mm/0.12 inch;Color: Red;Material: Aluminum Alloy;In the package of: 50 pcs M2.5 Conical Washer;Is there any advantages of the product?Washer is made of aluminum alloy, light weight,wear-resistant  and hard.The screw washer is anodized to prevent rust and.The surface is smooth and bright without burrs, the pattern is evenly distributed, and the process is beautiful,uniform force, anti-slip and anti-loose.How to use it?Aluminum washer has small volume, light weight and convenient installation and use.What should  I notice?Notes:The product is manual measurement, there is a little error, please refer to the actual product.