Features [Long-term use] Each set of hardware locking tools contains many flat rings that can be used for a long time. [Easy to Use] The gasket of the fasteners is easy to use, just insert the washer into the screw or bolt to get a better fixing effect. [Scope of application] The hardware instruments are suitable for household and commercial electrical appliances with threaded/bolt connections, automotive and ship electrical connections [High quality material] These elastic rings are made of high quality steel, strong and durable, and have a long service life. [Various Specifications] Please give 10 specifications: M1.6, M2, M2.5, M3, M3.5, M 4, M5, M6, M8, M10, each type of stainless steel ring has a different quantity, which can satisfy you Different needs. Specification: Condition: 100% Brand New Item Type:Elastic Ring Material: 304 stainless steel Quantity: 600 PCS Model Quantity: M1.6 100PCS M2 100PCS M2.5 100PCS M3 100PCS M3.5 50PCS M4 50PCS M5 50PCS M6 35PCS M8 10PCS M10 5PCS Package List: 600 x elastic washer Package List