Check the listing for details. Flange Wizard 53076-M Centering Head Tools 8" - 48" Pipe Capacity Standard. Condition: New. Listed at 88.49 USD. Designed to establish and mark a centerline at any angle around the circumference (inside or outside) on a Pipe or tank. Use it as a Protractor level, or remove and use the hardened center Punch for other marking jobs.