Specification Brand : uxcell BulletPoint1 : Thread Size: M5 x 30mm / 0.2" x 1.2"; Total Length: 35mm / 1.4" BulletPoint2 : Weight: 58g; Product Name: Thumb Screw BulletPoint3 : Material: Metal; Package Content: 5pcs x Thumb Screw BulletPoint4 : Thread Pitch: 0.8mm; Color: Silver Blue BulletPoint5 : Head Diameter: 16mm / 0.63" Color : Silver DriveSystem : Internal Hex ExteriorFinish : Bright Finish ExternallyAssignedProductIdentifier1 : 745302214990 ExternallyAssignedProductIdentifier2 : 0745302214990 FinishType : Plain GpsrSafetyAttestation : 1 ItemName : uxcell M5x30mm Knurled Head Flat Point Fully Threaded Thumb Screws Fastener 5pcs ItemPackageDimensions_Height : 13.4 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 9.3 centimeters ItemPackageQuantity : 25 ItemShape : Hexagonal ItemTypeKeyword : thumb-screws Manufacturer : uxcell ManufacturerGrade : high quality Material : Metal MeasurementSystem : Metric MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Stainless Steel MetalType1 : Zinc MetalType2 : Carbon Steel ModelNumber : a16122700ux0370 NumberOfItems : 20 NumberOfPieces : 25 PartNumber : a16122700ux0370 ProductDescription : Thumb screws are designed to be tightened and loosened by hand. Large head diameter makes it easy to access and tighten. The thumb screw has a straight knurled surface on its head. This gives it better gripping surface, making it easier to tighten or loosen the fastener manually.