Mainsheet ratchet block - RONSTAN Orbit 55-OPEN-BIC-2020

O’Pen Skiff Mainsheet Ratchet Block

The O’PEN SKIFF MAINSHEET RATCHET BLOCK is the OEM replacement block for the O’Pen Skiff. Formerly known as the  O’Pen Bic. O’Pen Skiff part # 31331.