Specification Brand : Devonian BulletPoint1 : ASTM D3121 - 17 Standard Test Method for Tack of Pressure-Sensitive Adhesives by Rolling Ball. BulletPoint2 : This test method covers measurement of the comparative tack of pressure-sensitive adhesives by a rolling ball and is most appropriate for low-tack adhesives. BulletPoint3 : High-quality materials: These ball bearings are made of high-quality carbon steel, which can withstand great shocks. BulletPoint4 : Precision design: These ball bearings have been carefully designed to achieve perfect consistency in weight, size and surface finish. BulletPoint5 : Widely used: These ball bearings can be used not only for slingshots, but also for bicycle bearings. BulletPoint6 : Net Weight: 150g; Package Content: 1 x Rod End Bearing Color : 12mm ExternallyAssignedProductIdentifier : 9869094819063 ExternallyAssignedProductIdentifier1 : 0761325104285 ExternallyAssignedProductIdentifier2 : 761325104285 ItemName : Devonian ASTM D3121 Rolling Ball Tack Tester with Steel Balls ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 9.5 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : precision-balls Manufacturer : Devonian Material : Stainless Steel ModelNumber : FESTAS NumberOfItems : 1 PartNumber : De-45782782 ProductDescription : ●Product model: ASTM D3121 Rolling Ball Tack Tester.
●Size of test piece: 25mm wide and 100mm long, with at least 3 test pieces.