Schaefer 506-75 Fiddle Block w/ Cam and Becket - Universal Head

Fiddle Ball Bearing Block with Aluminum Cheeks, Delrin Ball Bearing Sheaves, Cam Cleat.. For boats to 28'. Use in combination with other 5 series blocks or 5 series adapters for a variety of applications. Works with 506-45 for a 4:1 purchase.