Welcome to Harbor Supply - Your Ultimate Marine Supplier! | Call Us at 888-296-6432

SAME DAY SHIPPING - PLACE YOUR ORDER BY 4PM EST

Ronstan Series 40 All Purpose Triple Block w/ Swivel Head & Becket

Harbor Supply  |  SKU: RF41310
$92.74 $109.10

Payment

  • Credit Cards: We accept major credit cards, including Visa, Mastercard, American Express, and Discover.
  • Apple Pay & Google Pay: Simplify your checkout process using these digital wallets.
  • Shop Pay: For faster checkouts and secure payment processing.

Shipping

Ground, 2nd Day Air and Next Day Air available ! Same Day Shipping if your order is placed by 4pm Eastern

Returns

At Harbor Supply, we aim to ensure you’re completely satisfied with your purchase. If you need to return an item, you have 90 days from the date of delivery to initiate a return.

Eligibility for Returns:

To be eligible for a return:

  • The item must be in its original condition—unused, unworn, with all tags still attached, and in its original packaging.
  • You’ll need the receipt or proof of purchase.

Please note, returns must be authorized before sending any items back. Items returned without prior authorization will not be accepted.

Description

Product Description

Ronstan Series 40 All Purpose Triple Block w/ Swivel Head & Becket

Features:

Exceptionally high working loads

Low maintenance, long service life

Self-lubricating sheave

Slotted pin shackle eliminates fouled lines

Two way head post

Snap fit removable becket pin

Specifications

Sheave Ø - 1 9/16 in. (40mm)

Max. Rope Ø - in. (mm)

Max. Cable Ø - in (mm)

Pin Ø - 3/16 in. (5mm)

M.W.L. - 1540 lb. (700 kg)

B. L. - 3090 lb. (1400 kg)

Weight - 7.4 oz. (209 g)

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Becket pin is removable so line can be spliced prior to fitting and is ingeniously locked into position without the use of a clevis pin, split ring or tools.

Applications:

Mainsheet

Halyard

Vang

Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)

Materials:

U.V. stabilized Acetal sheaves

Impact and U.V. resistant, fiber reinforced Nylon cheeks

Grade 316 stainless steel bearing race

Grade 316 stainless steel load strap and head fitting

Sheave: UV stabilized acetal

Cheeks: Impact modified, fiber reinforced and UV stabilized nylon