Specification Brand : uxcell BulletPoint1 : Thread Size: M3 x 7mm/0.12" x 0.28"(D*L); Total Length: 17mm/0.67" BulletPoint2 : Weight: 10g; Product Name: Thumb Screw BulletPoint3 : Material: Aluminum Alloy; Package Content: 4pcs x Thumb Screw BulletPoint4 : Thread Pitch: 0.5mm; Color: Silver Tone BulletPoint5 : Variatation Theme: Color Color : Black DriveSystem : Thumb ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier1 : 757567630514 ExternallyAssignedProductIdentifier2 : 0757567630514 FinishType : Black GpsrSafetyAttestation : 1 GradeRating : industrial ItemName : uxcell Computer PC Case M3x7mm Aluminum Alloy Knurled Thumb Screws Silver Tone 4pcs ItemPackageDimensions_Height : 14.6 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 10 ItemTypeKeyword : thumb-screws Manufacturer : uxcell ManufacturerGrade : Grade 2 Material : Aluminum Material1 : Stainless Steel Material2 : Acetal MaximumShearStrength : 20000 psi MeasurementSystem : Metric MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Aluminum ModelNumber : a16100700ux0011 NumberOfItems : 4 NumberOfPieces : 4 PartNumber : a16100700ux0011 ProductDescription : Available / Optional Color:Royal Blue, Green, Gold Tone, Wine Red, Black, Silver Tone, Fushcia, Purple, Sky Blue, Orange Thumb screws that attach to panels with a retaining washer (not included), staying in place even when not tightened. They have an easy grip head that allows for simple by hand installation, just like conventional thumb screws. The large thumb screw has an extra large head with a straight knurled surface for additional grip for manual adjustment. These quality crafted thumb screws provide quick installation for securing cases and can easily be tightened by hand without much force. Can be used for computer PC Case