12"-16" TurnControl Rough-In Unit - ABS Rough-In TurnControl Cable-Operated Bath Waste & Overflow. Rough-in body only. Fits most tubs 12"-16" deep. 1 1/2" ABS Schedule 40. Fits tub wall thicknesses 1/16"-5/16". 2" Diameter Drain Hole Opening. 2" to 2 1/2" Diameter Overflow Hole Opening. For use with Euro or Traditional TurnControl Trim Kits. Stainless Steel Strainer. 17" Teflon Coated SS Cable. Installation Tools Included. ASME A112.18.2/CSA B125.2 Compliant.