Control Block Double Sheave / Cam / Port 74-83


74-83 Double control block with cam cleat allows mounting of the control block directly on the Schaefer 1-1/2" traveler track. Hardcoat anodized aluminum base with Schaefer 5 series ball bearing sheaves and stainless steel cheeks for reliability and low-friction leads. Becket is removable for use with pre-spliced line. Uses Schaefer 70-17 Fast Entry cam cleats for easy line engagement. Use with Schaefer traveler cars 72-83, 72-78 for a 3:1 purchase. Use with 72-92 for 4:1 purchase. Length = 5-1/4” (133mm), Width = 3-5/8” (92mm), Thickness = 2-7/32” (56mm), Weight = 1bs.4oz.(567g)

Schaefer Marine, Inc. warrants its standard catalog products to be free from factory defects in material and workmanship for a period of ten (10) years from the date of purchase, unless otherwise stated in this catalog or any other Schaefer Marine catalog. * Furling, Tuff Luff, and Windlass products have shorter warranties and are shown per product.

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Fitting products to your boat is not one size fits all, feel free to reach out to our team for assistance at 508-995-9511 or