Specification Brand : uxcell BulletPoint : Material: Brass BulletPoint1 : Thread Pitch: 0.4mm; Total Size: 4mm x 4mm/0.16" x 0.16"(L*Head.Dia) BulletPoint2 : Product Name: Torx Anti Theft Screw; Material: 304 Stainless Steel BulletPoint3 : Weight: 10g; Package Content: 100(+/-2%)pcs x Torx Anti Theft Screw BulletPoint4 : Torx Head Type: T6; Main Color: Silver Tone BulletPoint5 : Thread Size: M2/0.08"(Dia) Color : zinc DriveSystem : Phillips ExteriorFinish : Zinc ExternallyAssignedProductIdentifier1 : 709874724301 ExternallyAssignedProductIdentifier2 : 0709874724301 ItemName : uxcell M2x4mm 304 Stainless Steel Flat Head Torx Anti Theft Machine Screws 100pcs ItemPackageDimensions_Height : 14.478 centimeters ItemPackageDimensions_Length : 7.62 centimeters ItemPackageDimensions_Width : 12.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : machine-screws Manufacturer : uxcell Material : 304 Stainless Steel MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Stainless Steel,304 Stainless Steel,304 ModelNumber : SYNCTEA053328 NumberOfItems : 100 PackageLevel : unit PartNumber : a16110300ux0509 ProductDescription : Tamper Proof Security Torx Machine Screws. Special drivers are required for the installation and removal of Security fasteners. These fasteners are made from highly corrosion resistant 304 stainless steel making them both tamper and weather resistant. Anti Theft Machine Screws provide a higher level of security for you with their drive design, which prevents removal with normal screw drivers. Used widely in the home and office appliance, communication equipments, ship assembly and other machinery industry.