- Heavy Duty Inside Mount 1" Shaft Square Flange Cast Bronze Rudder Port
- Shaft Size: 1"
- Packing Size: 1/4"
- Length Under Flange: 4"
- Flange Size (square): 3-7/8"
- Bolt hole C to C: 2-3/4"
- Bolt Size: 3/8"
- Manufacturer: Buck Algonquin
- Model Number: Rudder Port
- Part Number: 00RP100