Pay in installments of $23.46 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Lewmar 72mm Double Synchro BlockProduct Description Lewmar 72mm Double Synchro Block Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized block geometry, a free spin bearing and self aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems. Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother
Product Description
Lewmar 72mm Double Synchro Block
Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems.
Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.
Specifications
Safe Working Load(lb) - 2420
Weight(oz) - 14.29
Dimensions
Optimum Line Size(in) - 3/8
Max Line Size(in) - 7/16
Lewmar's Synchro Blocks are engineered for speed, efficiency and superior handling. We use a combination of scientifically optimized block geometry, a free-spin bearing and self-aligning head to reduce friction and increase efficiency by up to 40% over budget blocks on mainsheet systems.
Each component is perfectly synchronized with the movement of the rope, providing you with an easier, smoother transfer of power from deck to sail and less wear on your rope.
Specifications
Dimensions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 7 reviews
Sort
Product Reviews
★★★★★ 4
Price and quality
Size: 2-Pack
Delivered as stated, good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
GOOD PRODUCT
Size: 1-Pack
Perfect fit, no tears, good airflow, works great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Amazon choice.
Size: 1-Pack
Definitely needed a new cabin filter and this one was at a good price. Easy to install and change filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
★★★★★ 5
Perfect fit
Size: 1-Pack
Fit perfectly, no issues at all. Would buy again in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Perfect fit
Size: 1-Pack
Perfect fit, easy install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026