This soap dish mounts to the 5/8'' riser pipe on our Strom Plumbing (Sign of the Crab) and Elizabethan Classics clawfoot tub shower enclosures. Perfect for clawfoots tubs this soap dish's length measures 7.5", width measures 4", and depth measures 2". The super-coated (non-tarnishing) brass and polished chrome soap dishes are manufactured by Strom Plumbing while the satin nickel, oil rubbed bronze and weathered copper soap dishes are from Elizabethan Classics. Please call Vintage Tub & Bath toll-free at 877.868.1369 if you have any questions about our soap dishes, sponge holders, or any bathroom accessory.