Description
40mm ball bearing block from Ronstan in triple block with swivel head configuration. This 40mm range features sheaves running on Acetal bearings that provide high performance & low friction. The 2-stage ball bearing system provides consistent performance under the full load range. Ideal for mainsheet triming systems, halyards, or spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 26 feet.
- Acetal ball bearings
- UV stabilised Acetal sheave
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fibre reinforced Nylon cheeks
- Max Rope Diameter - 3/8 in / 10 mm
- M.W.L. - 1320 lb
- B.L. - 3090 lb
- Weight - 6.9 oz
Product Reviews
Shipping & Returns
Delivery Info: Enjoy Free Standard Shipping on most orders* to the Continental United States over $99. Our Standard Shipping method utilizes USPS, UPS, and FedEx to send packages near and far. Oversize/Freight shipping (where applicable), Expedited Shipping (where available), and rates to other destinations will be calculated at checkout.
See our Shipping Page for more information (and exceptions).
Returns Info: Your 100% satisfaction is our goal - we want you to love your sailing gear, but if something doesn't work out, we accept returns on most new, unused items*. Returns can be made within 366 days (1 year + 1 day) of your original order date. Exceptions include (and are not limited to) cut line, Rig Shop products, special order items, numbered sailors, and items used or worn sailing.
See our Returns Page for more information.
