Groco Back Block 1.25-1.5 Seacock: Compatible with multiple seacock sizes, features brass threaded inserts for hull-side installation. Offers 1/2" rigidity for secure fit while adjusting to hull curves. Moisture-resistant and crafted from eco-friendly marine PVC foam.
- Fits Seacock Sizes: 1250 AND 1500
- Diameter: 5.38
- Insert Threads: 5/16"-18