Specification Brand : Glarks BulletPoint1 : ♛【What You Get】: You will receive 5 sizes including m2, m2.5, m3, m4, m5, 65Mn-Steel star washers and 1pcs 13mm tweezers totaling 326pcs. We have sufficient quantity to meet different sizes for different scenarios. Packed separately by product size for easy storage and use. BulletPoint2 : ♛【Reliable Material】: Quick speed locking washers are made of high quality 65Mn-Steel with good chemical resistance, good corrosion resistance and can be used in wet environment. It can ensure the stability and working life of lock washers. BulletPoint3 : ♛【Star Shape Washer Design】: Our internal tooth star design creates a spring force between the head of the fastener and the substrate, keeping the washer tight against the substrate. More friction and rotational resistance can be created. They are strong, durable and easy to install. BulletPoint4 : ♛【Washer Functions】: The quick speed locking washer is one of the indispensable elements in most mechanical equipment and serves a variety of purposes including fixing, supporting and damping. It is used to tighten and loosen threaded fittings. It can also be used to tighten parallel bars or ring gaps to make them more secure. BulletPoint5 : ♛【Wide Applications】: Internal tooth star lock washers are widely used in various fields, especially in machinery manufacturing, automobile manufacturing, shipbuilding, aerospace, rail transportation, vibration damping, bearings and other industrial production. Color : Black ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier1 : 0698435925816 ExternallyAssignedProductIdentifier2 : 698435925816 GpsrSafetyAttestation : 1 ItemName : Glarks 326pcs 65Mn-Steel Internal Tooth Star Lock Washers Assortment Kit M2 M2.5 M3 M4 M5 Quick Speed Locking Washers Push on Locking Washers ItemPackageDimensions_Height : 13.1 centimeters ItemPackageDimensions_Length : 3.2 centimeters ItemPackageDimensions_Width : 8.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : tooth-lock-washers Manufacturer : Glarks Material : 65Mn-Steel MetalType : Alloy Steel ModelNumber : G-3939 NumberOfItems : 326 NumberOfPieces : 326 PartNumber : G-3939 ProductDescription : Glarks 326pcs 65Mn-Steel Internal Tooth Star Lock Washers Assortment Kit M2 M2.5 M3 M4 M5 Quick Speed Locking Washers Push on Locking Washers