Specification Brand : Alpha Nanotech Inc. BulletPoint1 : Size 1: Internal Diameter: 30 mm (1.2"), External Diameter: 40 mm (1.5"), Inner Depth: 10 mm (0.4"); Size 2: Internal Diameter: 50 mm (2"); External Diameter: 60 mm (2.4") Inner Depth: 15 mm (0.6") BulletPoint2 : Size 3: Internal Diameter: 70 mm (2.8"), External Diameter: 90 mm (3.5"), Inner Depth: 21 mm (0.8"), Size 4: Internal Diameter: 100 mm (4"), External Diameter: 125 mm (5"), Inner Depth: 30 mm (1.2") BulletPoint3 : Size 5: Internal Diameter: 120 mm (4.7”), External Diameter: 135 mm (5.3”), Inner Depth: 35 mm (1.4”); Size 6: Internal Diameter: 150 mm (5.9"), External Diameter: 180 mm (7.1"), Inner Depth: 40 mm (1.6") BulletPoint4 : Brazilian agate stone only; Standard form. BulletPoint5 : Hardness: 7.0-7.2; Pressure-resistance, Heat-resistance, chemical-resistant; A silicone mat is included with the shipment to place under the mortar for the best grinding practice. Capacity : 284 milliliters Color : ID 30 mm, 50 mm, ID 70 mm, ID 100 mm, ID 120 mm, or ID 150 mm ExternallyAssignedProductIdentifier1 : 0753620393792 ExternallyAssignedProductIdentifier2 : 753620393792 FinishType : Unfinished GpsrSafetyAttestation : 1 ItemName : Alpha Nanotech Agate Pestle Only, 8-Sided/Octagonal Shaped, Used for 150 mm Mortars ItemPackageDimensions_Height : 22.3 centimeters ItemPackageDimensions_Length : 8.7 centimeters ItemPackageDimensions_Width : 20.2 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : mortar-and-pestle Manufacturer : Alpha Nanotech Inc. Material : Agate ModelNumber : CKS/2 NumberOfItems : 1 PartNumber : UN1SSX0C48B ProductSiteLaunchDate : 2018-10-29T14:00:00.000Z Size : 8-Sided Pestle Only for 150 mm Mortars StreetDate : 2015-06-17T00:00:01Z UnspscCode : 10191701