2" Tri-Clamp/ Tri Clover Spools Sizes Available: 2" x 2" Tri-Clamp Spool 2" x 12" Tri-Clamp Spool 2" x 18" Tri-Clamp Spool 2" x 24" Tri-Clamp Spool Specifications: Tri-Clamp Size 2" Material 304 Stainless Steel Standard 3A High Polish Spool OD 2" Spool ID 1.87" Flange OD 2.516" Bead Center 2.218" OD = Outer Dimension ID = Inner Dimension Disclaimer to Customer: User assumes all responsibility and risks of the system for all Stainless Steel Parts bought separately to piece together a Closed | BVV 2" Tri-Clamp Spools.