Westbrass Roman Tub Drain Trim, fits 3-9/16 inch OD and 2-7/8 inch hole-to-hole replacement top only for a roman tub drainch Made of solid brass this product is manufactured to fit already installed roman tub drains from Oatey (#151),Casper (140) Plumbing Products EZ-Test 2 and equivalent models from other manufacturers. Available in a variety of stylish finishes, this item is sure to complement your existing fixtures. Westbrass Fine Decorative Plumbing since 1935.