Specification Brand : LGEGE BulletPoint1 : Inside Diameter: 5.9mm / 0.234in (designed to stretch) BulletPoint2 : Inside Length: 40mm / 1.575in BulletPoint3 : Simply slide over the threaded end of the screw or bolt. BulletPoint4 : Mask (for painting), Insulator, Decorator, Seal or to Color Code. BulletPoint5 : Made from soft and flexible material called Color : black DriveSystem : Slotted ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier1 : 667581414833 ExternallyAssignedProductIdentifier2 : 0667581414833 ItemName : YEJI 25 Pcs 1/4" Black Screw Thread Protectors (Inside Size - D: 0.23", L:1.57") ItemPackageDimensions_Height : 12 centimeters ItemPackageDimensions_Length : 1.9 centimeters ItemPackageDimensions_Width : 8.5 centimeters ItemPackageQuantity : 25 ItemTypeKeyword : collated-screws Manufacturer : YEJI Material : Plastic MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Alloy Steel ModelNumber : Y-1241 NumberOfPieces : 25 PartNumber : Y-1241 ProductDescription : Inside Diameter: 5.9mm / 0.234in (designed to stretch) Inside Length: 40mm / 1.575in Simply slide over the threaded end of the screw or bolt. Mask (for painting), Insulator, Decorator, Seal or to Color Code. Made from soft and flexible material called