Specification AgeRangeDescription : All Age Groups Brand : uxcell BulletPoint : 2.5" Diameter BulletPoint1 : [Size] Internal Diameter: 3.2 mm / 0.13", Outer Diameter: 7 mm / 0.28", Length: 2 mm / 0.08". Not threaded. BulletPoint2 : [Application] It is used to keep boards at a consistent height and prevent the joint from bending, twisting, and short-circuiting with a middle partition design. Fit for 3D Printer, TV Wall Mounting, Electrical Outlet, Pegboard, Robot, Drone, Fpv, Quadcopter, Computer, Shutters Locks. BulletPoint3 : [Durable and Reliable] Insulated Nylon, Strong and Reliable, Easy to Install, and Durable to Use. BulletPoint4 : [Feature] These spacers have advantages over the metal spacer. They are lighter, do not rust, and are less brittle, also widely used in electrical products. BulletPoint5 : [Package Content] 100(+/-2%) x Black Nylon Round Spacers Color : Black DriveSystem : External Hex ExteriorFinish : Nylon ExternallyAssignedProductIdentifier : 6180551473318 GpsrSafetyAttestation : 1 ItemDisplayDimensions_Length : 5 centimeters ItemDisplayWeight : 0.01 kilograms ItemName : uxcell Nylon Round Spacer Washer 3.2mm ID 7mm OD 2mm Height for M3 Screws Black 100Pcs ItemPackageDimensions_Height : 14.1 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 100 ItemShape : Round ItemTypeKeyword : hardware-spacers Manufacturer : uxcell Material : Nylon MetalType : Carbon Steel ModelNumber : a20110500ux0308 MountingType : Hook and Loop NumberOfItems : 100 NumberOfPieces : 100 PartNumber : a20110500ux0308 ProductDescription : Description: Nylon spacers are strong and reliable, easy to install, and durable to use. These spacers have advantages over the metal spacers. They are lighter, do not rust, and are less brittle, also widely used in electrical products. It is used to keep boards at a consistent height and prevent the joint from bending, twisting, and short-circuiting with a middle partition design. Fit for 3D Printer, TV Wall Mounting, Electrical Outlet, Pegboard, Robot, Drone, Fpv, Quadcopter, Computer, Shutters Locks.