Can be bolted to a bench or kept portable. Wedding ring sizer reduces and enlarges wedding rings without effort. This well-made sizer has six splines on the enlarging mandrel and takes rings up to size 15. Reducing plate has 16 openings and is smoothly polished to prevent marring. Shipping weight 20lbs. This item will be shipped to you directly from the factory, please allow 5-7 business days for shipping.