dr grabow duke smooth tobacco pipe dr. grabow product: dr grabow duke smooth brand: dr grabow country: usa bowl material: mediterranean briar finish: smooth stem material: shape: n/a package: bubble pack filter: 6mm length: 5 5/8" height: 1 5/8" bowl outside diameter: 1 1/4” bowl inside diameter: 3/4" bowl depth: 1 1/2" *measurements are approximate