Specification Brand : uxcell BulletPoint : Graham-Field 3403 Test Tube Brush - 8" Length, ½" x 3" Bristles BulletPoint1 : Brush Size: 62 x 5.5mm/2.4" x 0.2"(L*D); Product Name: Bottle Brush BulletPoint2 : Material: Metal, Nylon; Net Weight: 15g BulletPoint3 : Package Content: 8 x Bottle Brush BulletPoint4 : Total Size: 158 x 5.5mm/6.2" x 0.2"(L*D) BulletPoint5 : Color: White, Silver Tone Color : White ExternallyAssignedProductIdentifier : 4989999378092 ExternallyAssignedProductIdentifier1 : 602451574194 ExternallyAssignedProductIdentifier2 : 0602451574194 ItemName : uxcell 5.5mm Diameter Twist Handle Nylon Test Tube Cleaning Bottle Brush White 8pcs ItemPackageDimensions_Height : 14.3 centimeters ItemPackageDimensions_Length : 1.2 centimeters ItemPackageDimensions_Width : 9.7 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : science-lab-tube-cleaning-brushes Manufacturer : uxcell Material : Plastic Material1 : Nylon Material2 : Metal ModelNumber : SYNCTEA050008 NumberOfItems : 1 PartNumber : a16042500ux1122 ProductDescription : It is very flexible . Great for cleaning and rust removal inside of objects such as pipes A ring at the end of the handle for hanging .