Rotation Arm (Alfa Arm) Interested in this product? Email us Description M32 Rotation arm (Alfa arm). For the Mast. Additional Information SKU: 324246 - Need Help? Contact Us Leave Feedback Contact Us Leave Feedback Your Name (required) Your Email (required) Subject Your Message Share Related Products Spreader Gennaker Halyard Thrue Blocks Gennaker Halyard Sheave Harken Block 18mm T2 Double